← Back to Patent Explorer
US4216228A Expired / Lapsed US ⏱️ 0.0 years remaining

Combating fungi with N-benzyl-N-cycloalkyl-ureas

Assignee: Bayer AG
•
Filing: 1978-06-16
•
Granted: 1980-08-05
•
Expires: 1998-06-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract N-Benzyl-N-cycloalkyl-ureas of the formula <IMAGE> in which R1 represents cycloalkyl with 5-8 carbon atoms in the ring, which may be optionally substituted by alkyl with 1-8 carbon atoms, R2 represents alkyl with 1-8 carbon atoms, cycloalkyl with 5-8 carbon atoms in the ring or phenyl, X represents oxygen or sulphur, and Y represents halogen, alkyl with 1-8 carbon atoms, cyano or nitro which possess fungicidal properties.

Inventors

  • 👤 Yasuo Yamada
  • 👤 Junichi Saito
  • 👤 Tatsuo Tamura
  • 👤 Yoshio Kurahashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 05:17
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/32; C; C07; C07C; C07C275/00; C07C275/26; C07C275/28; C07C335/00; C07C335/04; C07C335/14; C07C335/16; C07C2601/00; C07C2601/06; C07C2601/08; C07C2601/12; C07C2601/14

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 64 words
An N-benzyl-N-cycloalkyl-urea of the formula ##STR86## in which R 1 represents cycloalkyl with 5-8 carbon atoms in the ring, which may be optionally substituted by alkyl with 1-8 carbon atoms, R 2 represents alkyl with 1-8 carbon atoms, cycloalkyl with 5-8 carbon atoms in the ring or phenyl, X represents oxygen or sulphur, and Y represents alkyl with 1-8 carbon atoms, cyano or nitro.
Claim 2
Dependent Claim 64 words
An N-benzyl-N-cycloalkyl-urea of the formula ##STR86## in which R 1 represents cycloalkyl with 5-8 carbon atoms in the ring, which may be optionally substituted by alkyl with 1-8 carbon atoms, R 2 represents alkyl with 1-8 carbon atoms, cycloalkyl with 5-8 carbon atoms in the ring or phenyl, X represents oxygen or sulphur, and Y represents alkyl with 1-8 carbon atoms, cyano or nitro.
Claim 3
Dependent Claim 51 words
A urea according to claim 1, in which R 1 is cycloalkyl with 5-7 carbon atoms in the ring, optionally substituted by alkyl with 1-4 carbon atoms; R 2 is ethyl, n-propyl, n-butyl, sec.-butyl, amyl, cyclopentyl, cyclohexyl, cycloheptyl or phenyl; and Y is cyano, nitro or alkyl with 1-4 carbon atoms.
Claim 4
Dependent Claim 13 words
A urea according to claim 1, in which Y is in the 4-position.
Claim 5
Dependent Claim 15 words
A urea according to claim 1, wherein such urea is N-4-methylbenzyl-N-cyclopentyl-N'-phenylthiourea of the formula ##STR87##
Claim 6
Dependent Claim 15 words
A urea according to claim 1, wherein such urea is N-4-chlorobenzyl-N-cyclopentyl-N'-propylurea of the formula ##STR88##
Claim 7
Dependent Claim 15 words
A urea according to claim 1, wherein such urea is N-4-chlorobenzyl-N-cyclopentyl-N'-cyclohexylurea of the formula ##STR89##
Claim 8
Dependent Claim 15 words
A urea according to claim 1, wherein such urea is N-4-chlorobenzyl-N-2-methylcyclohexyl-N'-cyclohexylthiourea of the formula ##STR90##
Claim 9
Dependent Claim 15 words
A urea according to claim 1, wherein such urea is N-4-bromobenzyl-N-cyclopentyl-N'-propylurea of the formula ##STR91##
Claim 10
Dependent Claim 23 words
A fungicidal composition containing as active ingredient a fungicidally effective amount of a urea according to claim 1 in admixture with a diluent.
Claim 11
Dependent Claim 27 words
A method of combating fungi which comprises applying to the fungi, or to a habitat thereof, a fungicidally effective amount of a urea according to claim 1.
Claim 12
Dependent Claim 17 words
The method according to claim 10, in which said urea is N-4-methylbenzyl-N-cyclopentyl-N'-phenylthiourea, N-4-chlorobenzyl-N-cyclopentyl-N'-propylurea, N-4-chlorobenzyl-N-cyclopentyl-N'-cyclohexylurea, N-4-chlorobenzyl-N-2-methylcyclohexyl-N-cyclohexylthiourea or N-4-bromobenzyl-N-cyclopentyl-N'-propylurea.
Claim 13
Dependent Claim 64 words
An N-benzyl-N-cycloalkyl-urea of the formula ##STR92## in which R 1 represents cycloalkyl with 5-8 carbon atoms in the ring, which may be optionally substituted by alkyl with 1-8 carbon atoms, R 2 represents alkyl with 1-8 carbon atoms, or cycloalkyl with 5-8 carbon atoms in the ring. X represents oxygen or sulphur, and Y represents halogen, alkyl with 1-8 carbon atoms, cyano, or nitro.
Claim 14
Dependent Claim 64 words
An N-benzyl-N-cycloalkyl-urea of the formula ##STR92## in which R 1 represents cycloalkyl with 5-8 carbon atoms in the ring, which may be optionally substituted by alkyl with 1-8 carbon atoms, R 2 represents alkyl with 1-8 carbon atoms, or cycloalkyl with 5-8 carbon atoms in the ring. X represents oxygen or sulphur, and Y represents halogen, alkyl with 1-8 carbon atoms, cyano, or nitro.
Claim 15
Dependent Claim 50 words
A urea according to claim 12, in which R 1 is cycloalkyl with 5-7 carbon atoms in the ring, optionally substituted by alkyl with 1-4 carbon atoms; R 2 is ethyl, n-propyl, n-butyl, sec.-butyl, amyl, cyclopentyl, cyclohexyl or cycloheptyl; and Y is cyano, nitro or alkyl with 1-4 carbon atoms.
Claim 16
Dependent Claim 13 words
A urea according to claim 12, in which Y is in the 4-position.
Claim 17
Dependent Claim 23 words
A fungicidal composition containing as active ingredient a fungicidally effective amount of a urea according to claim 12 in admixture with a diluent.
Claim 18
Dependent Claim 27 words
A method of combating fungi which comprises applying to the fungi, or to a habitat thereof, a fungicidally effective amount of a urea according to claim 12.

References Cited (Backward Citations)

CA644892A Cited
US3090810A Cited
US3660484A Cited
US3483296A Cited
US3829485A Cited
US3683001A Cited
US3701807A Cited
US3839440A Cited
US3761241A Cited
US3927087A Cited
US4010281A Cited
US4036986A Cited
US4127673A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-05 1984-02-04 1984-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-05 1988-02-04 1988-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-05 1992-02-04 1992-08-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag