US4241208A
Expired / Lapsed
US
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Piperidine derivatives
Assignee: Sankyo Co Ltd
•
Filing: 1978-12-12
•
Granted: 1980-12-23
•
Expires: 1998-12-12
Abstract
Abstract Piperidine derivatives having the formula ##STR1## wherein R' represents an alkyl, an acyl, an alkoxycarbonyl, an amino or nitroso group; X represents oxygen or sulfur; Y represents oxygen, sulfur or a group of the formula ═N--R" in which R" is hydrogen or alkyl; Z represents oxygen or a group of the formula >N--R'" in which R'" is hydrogen or alkyl; n is an integer of 1 to 4; and R represents, when n is 1, alkyl, aryl, cycloalkyl, alkoxycarbonyl, substituted phosphino or substituted phosphinyl, when n is 2, alkylene, alkenylene, arylene, aralkylene; alkylenediphenylene, bis-(alkoxycarbonyl) alkylene, alkylene-bis-(oxycarbonylalkyl), dialkylene ether or diphenylene ether, when n is 3, alkanetriyl,tris-(alkoxycarbonyl)alkanetriyl, alkanetriyl-tris-(oxycarbonylalkyl) or a group of the formula ##STR2## in which p is an integer of 1 through 8 inclusive, and, when n is 4, alkanetetrayl,tetrakis-(alkoxycarbonyl) alkanetetrayl or alkanetetrayl-tetrakis-(oxycarbonylalkyl). The piperidine derivatives (I) of this invention are prepared in various manners and useful as stabilizers for synthetic polymers against thermal- and photo-deterioration thereof. A typical example of such a stabilizer is 1,3,8-triaza-3,8-dibenzyl-1,7,7,9,9-pentamethyl-spiro[4.5]decane-2,4-dione.
Inventors
- 👤 Keisuke Murayama
- 👤 Syoji Morimura
- 👤 Takao Yoshioka
- 👤 Toshimasa Toda
- 👤 Eiko Mori
- 👤 Hideo Horiuchi
- 👤 Susumu Higashida
- 👤 Katsuaki Matsui
- 👤 Tomoyuki Kurumada
- 👤 Noriyuki Ohta
- 👤 Hisayou Ohsawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:52
CPC Classifications
C; C07; C07D; C07D498/00; C07D498/02; C07D498/10; C07D519/00; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/553; C07F9/5532; C07F9/5537; C07F9/572; C07F9/5728; C07F9/6561; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3435
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
459 words
A compound having the formula ##STR62## wherein n is 1; X represents an oxygen atom or a sulfur atom; Y represents an oxygen atom, a sulfur atom or a group of the formula ##STR63## in which R" is hydrogen, methyl, allyl, 2-propynyl, 2-hydroxyethyl, 2-methoxyethyl or benzyl; Z represents an oxygen atom or a group of the formula ##STR64## in which R'" is hydrogen, an alkyl group having from 1 to 4 carbon atoms, allyl, 2-propynyl, 2-hydroxyethyl, ethoxymethyl, 2-vinyloxyethyl, 2-phenoxyethyl, 2-acetoxyethyl, 2-benzoyloxyethyl or benzyl; R represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the vinyloxyethyl group, the phenoxyethyl group, the methylthioethyl group, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 4 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aryloxycarbonylalkyl group having from 8 to 12 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, a 2,3-epoxypropyloxycarbonylalkyl group having from 5 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, the cyclohexyl group, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, a dialkoxyphosphine group having from 2 to 16 carbon atoms, the diphenoxyphosphine group, a group of the formula ##STR65## in which R"" is an alkyl group having from 1 to 8 carbon atoms or a phenyl group; and R' represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, vinyloxyethyl, phenoxyethyl, methylthioethyl, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 3 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the acetyl group, an α,β-unsaturated aliphatic acyl group having from 3 to 9 carbon atoms, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, the amino group, an acyl amino group having from 2 to 12 carbon atoms, an alkylamino group having from 1 to 2 carbon atoms, or the nitroso group, wherein all acyl groups are carboxyl derived acyl groups.
Claim 2
Dependent Claim
459 words
A compound having the formula ##STR62## wherein n is 1; X represents an oxygen atom or a sulfur atom; Y represents an oxygen atom, a sulfur atom or a group of the formula ##STR63## in which R" is hydrogen, methyl, allyl, 2-propynyl, 2-hydroxyethyl, 2-methoxyethyl or benzyl; Z represents an oxygen atom or a group of the formula ##STR64## in which R'" is hydrogen, an alkyl group having from 1 to 4 carbon atoms, allyl, 2-propynyl, 2-hydroxyethyl, ethoxymethyl, 2-vinyloxyethyl, 2-phenoxyethyl, 2-acetoxyethyl, 2-benzoyloxyethyl or benzyl; R represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the vinyloxyethyl group, the phenoxyethyl group, the methylthioethyl group, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 4 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aryloxycarbonylalkyl group having from 8 to 12 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, a 2,3-epoxypropyloxycarbonylalkyl group having from 5 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, the cyclohexyl group, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, a dialkoxyphosphine group having from 2 to 16 carbon atoms, the diphenoxyphosphine group, a group of the formula ##STR65## in which R"" is an alkyl group having from 1 to 8 carbon atoms or a phenyl group; and R' represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, vinyloxyethyl, phenoxyethyl, methylthioethyl, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 3 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the acetyl group, an α,β-unsaturated aliphatic acyl group having from 3 to 9 carbon atoms, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, the amino group, an acyl amino group having from 2 to 12 carbon atoms, an alkylamino group having from 1 to 2 carbon atoms, or the nitroso group, wherein all acyl groups are carboxyl derived acyl groups.
Claim 3
Dependent Claim
531 words
A compound having the formula ##STR66## wherein R' represents octanoyloxyethyl, allyl, benzyl, ethoxycarbonylmethyl, hydroxyalkyl having from 2 to 3 carbon atoms, alkenyl having from 3 to 4 carbon atoms, 2-propynyl, cyanoalkyl having from 2 to 3 carbon atoms, alkoxyalkyl having from 2 to 5 carbon atoms, vinyloxyethyl, phenoxyethyl, methylthioethyl, 2,3-epoxypropyl, alkanoyloxyalkyl having from 3 to 14 carbon atoms, alkoxycarbonylalkyl having from 3 to 15 carbon atoms, aralkyl having from 7 to 8 carbon atoms, 2-hydroxy-2-phenylethyl, alkoxycarbonyl having from 2 to 9 carbon atoms, aralkoxycarbonyl having from 8 to 9 carbon atoms, amino group, alkylamino group having from 1 to 2 carbon atoms, nitroso group; X represents oxygen or sulfur; Y represents oxygen, sulfur or a group of the formula ═N--R" in which R" is hydrogen or methyl; Z represents oxygen or a group of the formula ═N--R'" in which R'" is hydrogen or alkyl having from 1 to 4 carbon atoms; n is 1; and R represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the vinyloxyethyl group, the phenoxyethyl group, the methylthioethyl group, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 4 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aryloxycarbonylalkyl group having from 8 to 12 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, a 2,3-epoxypropyloxycarbonylalkyl group having from 5 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, the cyclohexyl group, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, a dialkoxyphosphine group having from 2 to 16 carbon atoms, the diphenoxyphosphine group, a group of the formula ##STR67## in which R"" is an alkyl group having from 1 to 8 carbon atoms or a phenyl group; and R' represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, vinyloxyethyl, phenoxyethyl, methylthioethyl, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 3 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the acetyl group, an α,β-unsaturated aliphatic acyl group having from 3 to 9 carbon atoms, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, the amino group, an acyl amino group having from 2 to 12 carbon atoms, an alkylamino group having from 1 to 2 carbon atoms, or the nitroso group, wherein all acyl groups are carboxyl derived acyl groups.
Claim 4
Dependent Claim
531 words
A compound having the formula ##STR66## wherein R' represents octanoyloxyethyl, allyl, benzyl, ethoxycarbonylmethyl, hydroxyalkyl having from 2 to 3 carbon atoms, alkenyl having from 3 to 4 carbon atoms, 2-propynyl, cyanoalkyl having from 2 to 3 carbon atoms, alkoxyalkyl having from 2 to 5 carbon atoms, vinyloxyethyl, phenoxyethyl, methylthioethyl, 2,3-epoxypropyl, alkanoyloxyalkyl having from 3 to 14 carbon atoms, alkoxycarbonylalkyl having from 3 to 15 carbon atoms, aralkyl having from 7 to 8 carbon atoms, 2-hydroxy-2-phenylethyl, alkoxycarbonyl having from 2 to 9 carbon atoms, aralkoxycarbonyl having from 8 to 9 carbon atoms, amino group, alkylamino group having from 1 to 2 carbon atoms, nitroso group; X represents oxygen or sulfur; Y represents oxygen, sulfur or a group of the formula ═N--R" in which R" is hydrogen or methyl; Z represents oxygen or a group of the formula ═N--R'" in which R'" is hydrogen or alkyl having from 1 to 4 carbon atoms; n is 1; and R represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the vinyloxyethyl group, the phenoxyethyl group, the methylthioethyl group, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 4 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aryloxycarbonylalkyl group having from 8 to 12 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, a 2,3-epoxypropyloxycarbonylalkyl group having from 5 to 6 carbon atoms, an aryl group having 6 to 10 carbon atoms, the cyclohexyl group, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, a dialkoxyphosphine group having from 2 to 16 carbon atoms, the diphenoxyphosphine group, a group of the formula ##STR67## in which R"" is an alkyl group having from 1 to 8 carbon atoms or a phenyl group; and R' represents an alkyl group having from 1 to 20 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an alkenyl group having from 3 to 4 carbon atoms, the 2-propynyl group, a cyanoalkyl group having from 2 to 3 carbon atoms, an alkoxyalkyl group having from 2 to 5 carbon atoms, vinyloxyethyl, phenoxyethyl, methylthioethyl, the 2,3-epoxypropyl group, an acyloxyalkyl group having from 3 to 14 carbon atoms, an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms, an aralkyl group having from 7 to 8 carbon atoms, the 2-hydroxy-2-phenylethyl group, a 2-acyloxy-2-phenylethyl group having from 10 to 20 carbon atoms, the acetyl group, an α,β-unsaturated aliphatic acyl group having from 3 to 9 carbon atoms, an alkoxycarbonyl group having from 2 to 9 carbon atoms, an aralkoxycarbonyl group having from 8 to 9 carbon atoms, the amino group, an acyl amino group having from 2 to 12 carbon atoms, an alkylamino group having from 1 to 2 carbon atoms, or the nitroso group, wherein all acyl groups are carboxyl derived acyl groups.
Claim 5
Dependent Claim
190 words
The compound of claim 1 wherein X represents oxygen atom, Y represents oxygen atom, Z represents oxygen atom or a group of the formula >N--R'" in which R'" is hydrogen, an alkyl group having from 1 to 4 carbon atoms, allyl or benzyl, R' represents an alkyl group having from 1 to 8 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an allyl group, the 2,3-epoxypropyl group, an alkanoyloxyalkyl group having from 4 to 10 carbon atoms, the benzyl group, the 2-hydroxy-2-phenylethyl group, the acetyl group, an α,β-unsaturated aliphatic alkanoyl group having from 3 to 4 carbon atoms, R represents alkyl having from 1 to 8 carbon atoms, 2,3-epoxypropyloxycarbonylalkyl having from 5 to 6 carbon atoms, aryloxycarbonylalkyl having from 8 to 12 carbon atoms, aryl having from 6 to 10 carbon atoms, aromatic alkanoyloxyalkyl having from 9 to 13 carbon atoms, saturated aliphatic alkanoyloxyalkyl having from 4 to 10 carbon atoms, unsaturated aliphatic alkanoyloxyalkyl having from 5 to 6 carbon atoms, dialkoxyphosphine having 2 to 16 carbon atoms, diphenoxyphosphine of the formula ##STR68## wherein R"" is alkyl having from 1 to 8 carbon atoms or phenyl.
Claim 6
Dependent Claim
62 words
The compound of claim 1 wherein R' is an alkyl group having from 1 to 8 carbon atoms, a hydroxyalkyl group having 2 or 3 carbon atoms, or 2,3-epoxypropyl group, R is 2,3-epoxypropyl group or a hydroxyalkyl group having 2 or 3 carbon atoms, X is oxygen atom, Y is oxygen atom, Z is a group >N--R'", and R'" is hydrogen atom.
Claim 7
Dependent Claim
38 words
The compound of claim 1 wherein X is oxygen; Y is >N--R" wherein R" is methyl, 2-hydroxyethyl, 2-methoxyethyl, benzyl, allyl or 2-propynyl, and Z is >N--R'" wherein R'" is 2-propynyl, 2-hydroxyethyl, ethoxymethyl, 2-vinyloxyethyl, 2-phenoxyethyl, 2-acetoxyethyl, 2-benzoyloxyethyl or benzyl.
Claim 8
Dependent Claim
50 words
The compound of claim 1 wherein R' represents an alkyl group having from 1 to 8 carbon atoms, a hydroxyalkyl group having from 2 to 3 carbon atoms, an allyl group, the 2,3-epoxypropyl group, an alkanoyloxyalkyl group having from 4 to 10 carbon atoms, the benzyl group, the 2-hydroxy-2-phenylethyl group.
Claim 9
Dependent Claim
9 words
The compound of claim 1 wherein R' is methyl.
Claim 10
Dependent Claim
9 words
The compound of claim 1 wherein R' is octanoyloxyethyl.
Claim 11
Dependent Claim
9 words
The compound of claim 1 wherein R' is allyl.
Claim 12
Dependent Claim
9 words
The compound of claim 1 wherein R' is benzyl.
Claim 13
Dependent Claim
9 words
The compound of claim 1 wherein R' is ethoxycarbonylmethyl.
Claim 14
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkyl group having from 1 to 20 carbon atoms.
Claim 15
Dependent Claim
18 words
The compound of claim 1 wherein R' is a hydroxyalkyl group having from 2 to 3 carbon atoms.
Claim 16
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkenyl group having from 3 to 4 carbon atoms.
Claim 17
Dependent Claim
11 words
The compound of claim 1 wherein R' is the 2-propynyl group.
Claim 18
Dependent Claim
18 words
The compound of claim 1 wherein R' is a cyanoalkyl group having from 2 to 3 carbon atoms.
Claim 19
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkoxyalkyl group having from 2 to 5 carbon atoms.
Claim 20
Dependent Claim
9 words
The compound of claim 1 wherein R' is vinyloxyethyl.
Claim 21
Dependent Claim
9 words
The compound of claim 1 wherein R' is phenoxyethyl.
Claim 22
Dependent Claim
9 words
The compound of claim 1 wherein R' is methylthioethyl.
Claim 23
Dependent Claim
11 words
The compound of claim 1 wherein R' is the 2,3-epoxypropyl group.
Claim 24
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkanoyloxyalkyl group having from 3 to 14 carbon atoms.
Claim 25
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkoxycarbonylalkyl group having from 3 to 15 carbon atoms.
Claim 26
Dependent Claim
18 words
The compound of claim 1 wherein R' is an aralkyl group having from 7 to 8 carbon atoms.
Claim 27
Dependent Claim
11 words
The compound of claim 1 wherein R' is the 2-hydroxy-2-phenylethyl group.
Claim 28
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkoxycarbonyl group having from 2 to 9 carbon atoms.
Claim 29
Dependent Claim
18 words
The compound of claim 1 wherein R' is an aralkoxycarbonyl group having from 8 to 9 carbon atoms.
Claim 30
Dependent Claim
11 words
The compound of claim 1 wherein R' is the amino group.
Claim 31
Dependent Claim
18 words
The compound of claim 1 wherein R' is an alkylamino group having from 1 to 2 carbon atoms.
Claim 32
Dependent Claim
11 words
The compound of claim 1 wherein R' is the nitroso group.
References Cited (Backward Citations)
US3639409A
Cited
US3542729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |