US4096142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
14,19-Dioxygenated steroid compounds and their 14-dehydro analogs and process for the preparation thereof
Assignee: Steele Chemicals Co Ltd
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Filing: 1976-08-30
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Granted: 1978-06-20
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Expires: 1996-08-30
Abstract
Abstract There are provided novel 14,19-dioxygenated steroid compounds and their 14-dehydro analogs, as well as processes for preparing such compounds. The above compounds are useful as intermediates in the preparation of other steroids, which in turn, may be converted into valuable pharmaceutical agents.
Inventors
- 👤 Gunther Kruger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:33
CPC Classifications
C; C07; C07J; C07J1/00; C07J17/00
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
66 words
A compound of the formula ##STR25## wherein R is o-pivalate or >-o-pivalate, R' is chosen from OH, O-acyl, and ═O, A-B is chosen from C(β-OH)-CH 2 ; C═CH; ##STR26## and C(β-OH)-CHBr; and Y is chosen from O-acyl, ═O, OH, H and O-tetrahydropyranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro analogues thereof.
Claim 2
Dependent Claim
66 words
A compound of the formula ##STR25## wherein R is o-pivalate or >-o-pivalate, R' is chosen from OH, O-acyl, and ═O, A-B is chosen from C(β-OH)-CH 2 ; C═CH; ##STR26## and C(β-OH)-CHBr; and Y is chosen from O-acyl, ═O, OH, H and O-tetrahydropyranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro analogues thereof.
Claim 3
Dependent Claim
59 words
A compound of the formula ##STR27## wherein R is OH or O-acyl, R' is chosen from OH and O-acyl, Y is chosen from OH, O-acyl, ═O and H, A-B is chosen from C(β-OH)CH 2 , C═CH and ##STR28## wherein acyl is formyl, acetyl, trimethyl acetal and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro anloagues thereof.
Claim 4
Dependent Claim
59 words
A compound of the formula ##STR27## wherein R is OH or O-acyl, R' is chosen from OH and O-acyl, Y is chosen from OH, O-acyl, ═O and H, A-B is chosen from C(β-OH)CH 2 , C═CH and ##STR28## wherein acyl is formyl, acetyl, trimethyl acetal and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, Δ8 (9) dehydro anloagues thereof.
Claim 5
Dependent Claim
45 words
A compound of the formula ##STR29## wherein R is >-OH or >-O-acyl, R' is OH or O-acyl, Y is OH, O-acyl, ═O, and H, A-B is C(β-OH)-CH 2 , ##STR30## C(β-OH)-CH 2 Br wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 6
Dependent Claim
45 words
A compound of the formula ##STR29## wherein R is >-OH or >-O-acyl, R' is OH or O-acyl, Y is OH, O-acyl, ═O, and H, A-B is C(β-OH)-CH 2 , ##STR30## C(β-OH)-CH 2 Br wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 7
Dependent Claim
33 words
A compound of the formula ##STR31## wherein R is ##STR32## R' is OH, Y is O-acyl, OH, H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 8
Dependent Claim
33 words
A compound of the formula ##STR31## wherein R is ##STR32## R' is OH, Y is O-acyl, OH, H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 9
Dependent Claim
41 words
A compound of the formula ##STR33## wherein R is >═O or >-OH, R' is OH or O-acyl, Y is H, OH, O-acyl, A-B is C═CH, C(β-OH)-CH 2 and ##STR34## wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 10
Dependent Claim
41 words
A compound of the formula ##STR33## wherein R is >═O or >-OH, R' is OH or O-acyl, Y is H, OH, O-acyl, A-B is C═CH, C(β-OH)-CH 2 and ##STR34## wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 11
Dependent Claim
31 words
A compound of the formula ##STR35## wherein R is COOH, R' is O-acyl, Y is H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 12
Dependent Claim
31 words
A compound of the formula ##STR35## wherein R is COOH, R' is O-acyl, Y is H, A-B is C═CH, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl.
Claim 13
Dependent Claim
11 words
A compound as defined in claim 1, wherein Y is H.
Claim 14
Dependent Claim
15 words
A compound as defined in claim 1, wherein R is O-pivalate and R' is O-acyl.
Claim 15
Dependent Claim
13 words
A compound as defined in claim 8, wherein A-B is C(β-OH)-CH 2 .
Claim 16
Dependent Claim
11 words
A compound as defined in claim 8, wherein Y is O-acyl.
Claim 17
Dependent Claim
18 words
A compound as defined in claim 1, wherein R is O-pivalate, R' is OH and A-B is C═CH.
Claim 18
Dependent Claim
18 words
A compound as defined in claim 1, wherein R is O-pivalate, R' is O-acyl and A-B is ##STR36##
Claim 19
Dependent Claim
16 words
A compound as defined in claim 1, wherein R' >-O-pivalate and A-B is C(β-OH)-CH 2 .
Claim 20
Dependent Claim
16 words
A compound as defined in claim 1, wherein R >-O-pivalate and R' and Y are O-acyl.
Claim 21
Dependent Claim
15 words
A compound as defined in claim 2, wherein R, R' and Y are each OH.
Claim 22
Dependent Claim
15 words
A compound as defined in claim 2, wherein R, R' and Y are each O-acyl.
Claim 23
Dependent Claim
387 words
A process of preparing a compound of the formula ##STR37## wherein R is chosen from O-pivalate, >-O-pivalate, OH, O-acyl, >-OH, >-O-acyl, ##STR38## and COOH, A-B is chosen from C(β-OH)-CH 2 , C═CH, ##STR39## and C(β-OH)-CHBr; R' is chosen from OH, O-acyl and ═0, Y is H, OH, O-acyl, ═O and O-tetrahydropryranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, and Δ8(9) dehydro analogues thereof, which process is selected from the group connsisting of (a) treating a compound of the formula ##STR40## wherein R, R' and Y are as defined above, with an oxidising agent, to form a compound of the formula (III) ##STR41## wherein R, R' and Y are as defined above, and subjecting the latter compound to a rearrangement process under hydrogenation or acidic conditions to form a compound of the formula (I) wherein the latter compound contains a 7-double bond and a 14β-hydroxy group; (b) treating a compound of the formula ##STR42## wherein R is as defined above, with an epoxidizing agent to form a compound of the formula ##STR43## treating the latter with an acetylating agent to form a compound of the formula ##STR44## and treating the latter with an acid to form the following compound of formula I ##STR45## wherein R is as defined above; (c) reducing a compound of the formula ##STR46## wherein R and R' are as defined above to form a compound of the formula ##STR47## wherein R and R' are as defined above; (d) reducing a compound of the formula ##STR48## wherein R and Y are as defined above, to form a compound of the formula I, ##STR49## wherein R and Y are as defined above and R" is H or Ac; (e) subjecting a compound of the formula ##STR50## wherein R and Y are as defined above, to hydrogenolysis, to form a compound of the formula ##STR51## wherein R and Y are as defined above, hydrogenating the latter compound to form a compound of the formula ##STR52## treating the latter with an acid or acid halide to form a compound of the formula ##STR53## wherein R and Y are as defined above, and treating the latter with a reducing agent to form a compound of the formula I, ##STR54## wherein R and Y are as defined above.
Claim 24
Dependent Claim
387 words
A process of preparing a compound of the formula ##STR37## wherein R is chosen from O-pivalate, >-O-pivalate, OH, O-acyl, >-OH, >-O-acyl, ##STR38## and COOH, A-B is chosen from C(β-OH)-CH 2 , C═CH, ##STR39## and C(β-OH)-CHBr; R' is chosen from OH, O-acyl and ═0, Y is H, OH, O-acyl, ═O and O-tetrahydropryranyl ether, wherein acyl is chosen from formyl, acetyl, trimethyl acetyl and triethyl acetyl, and the Δ4, Δ5, Δ6, Δ7, and Δ8(9) dehydro analogues thereof, which process is selected from the group connsisting of (a) treating a compound of the formula ##STR40## wherein R, R' and Y are as defined above, with an oxidising agent, to form a compound of the formula (III) ##STR41## wherein R, R' and Y are as defined above, and subjecting the latter compound to a rearrangement process under hydrogenation or acidic conditions to form a compound of the formula (I) wherein the latter compound contains a 7-double bond and a 14β-hydroxy group; (b) treating a compound of the formula ##STR42## wherein R is as defined above, with an epoxidizing agent to form a compound of the formula ##STR43## treating the latter with an acetylating agent to form a compound of the formula ##STR44## and treating the latter with an acid to form the following compound of formula I ##STR45## wherein R is as defined above; (c) reducing a compound of the formula ##STR46## wherein R and R' are as defined above to form a compound of the formula ##STR47## wherein R and R' are as defined above; (d) reducing a compound of the formula ##STR48## wherein R and Y are as defined above, to form a compound of the formula I, ##STR49## wherein R and Y are as defined above and R" is H or Ac; (e) subjecting a compound of the formula ##STR50## wherein R and Y are as defined above, to hydrogenolysis, to form a compound of the formula ##STR51## wherein R and Y are as defined above, hydrogenating the latter compound to form a compound of the formula ##STR52## treating the latter with an acid or acid halide to form a compound of the formula ##STR53## wherein R and Y are as defined above, and treating the latter with a reducing agent to form a compound of the formula I, ##STR54## wherein R and Y are as defined above.
Claim 25
Dependent Claim
50 words
A process as defined in claim 17, wherein said process comprises reducing a compound of the formula ##STR55## wherein R and Y are as defined above, to form a compound of the formula II ##STR56## wherein R and Y are as defined above the R" is H, formyl or acetyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-19 | 1981-12-19 | 1982-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-19 | 1985-12-19 | 1986-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-19 | 1989-12-19 | 1990-06-20 | $7700.00 | Window Closed / Lapsed |