US4148795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dithiocarbamate ester bactericides and fungicides
Assignee: Wyeth Holdings LLC
•
Filing: 1976-12-07
•
Granted: 1979-04-10
•
Expires: 1996-12-07
Abstract
Abstract The present invention relates to certain novel dithiocarbamate esters, methods for their synthesis and their use as bactericidal and fungicidal agents.
Inventors
- 👤 Thomas A. Lies
- 👤 James W. Clapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:19
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/21; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/36; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/56; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/18; C07D333/26; C07D333/28
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
101 words
A compound having the structure ##STR58## wherein Q represents a member selected from the group consisting of ##STR59## and where R 1 and R 2 are each lower alkyl C 1 -C 4 , or where R 1 and R 2 are taken together with N to represent a piperidine or pyrrolidine nucleus; R 3 is lower alkyl C 1 -C 3 ; R 4 is hydrogen, phenyl or phenyl having one or two substituents selected from the group consisting of methyl, ethyl, m-nitro, halo, methoxy and ethoxy; and R 5 is hydrogen or lower alkyl C 1 -C 4 .
Claim 2
Dependent Claim
101 words
A compound having the structure ##STR58## wherein Q represents a member selected from the group consisting of ##STR59## and where R 1 and R 2 are each lower alkyl C 1 -C 4 , or where R 1 and R 2 are taken together with N to represent a piperidine or pyrrolidine nucleus; R 3 is lower alkyl C 1 -C 3 ; R 4 is hydrogen, phenyl or phenyl having one or two substituents selected from the group consisting of methyl, ethyl, m-nitro, halo, methoxy and ethoxy; and R 5 is hydrogen or lower alkyl C 1 -C 4 .
Claim 3
Dependent Claim
52 words
A compound according to claim 1 having the structure: ##STR60## where R 1 and R 2 are each loweralkyl C 1 -C 4 , or when R 1 and R 2 are taken together with N form a piperidine or pyrrolidine nucleus, and R 3 is loweralkyl C 1 -C 3 .
Claim 4
Dependent Claim
82 words
A compound according to claim 1 having the structure: ##STR61## wherein R 1 and R 2 are each lower alkyl C 1 -C 4 , or where R 1 and R 2 are taken together with N to form a piperidine or pyrrolidine nucleus; R 4 is hydrogen, phenyl or phenyl having one or two substituents selected from the group consisting of methyl, ethyl, m-nitro, halo, methoxy and ethoxy; and R 5 is hydrogen or lower alkyl C 1 -C 4 .
Claim 5
Dependent Claim
70 words
A process for preparing a compound according to claim 1 of the formula: ##STR62## where R 1 , R 2 and R 5 are loweralkyl, comprising reacting about one mole equivalent of a 1-nitroalkane containing at least two carbon atoms with two mole equivalents of formaldehyde in an aqueous alcohol mixture of from 20° C. to 50° C. and about one mole equivalent of a compound of the formula: ##STR63##
Claim 6
Dependent Claim
102 words
A process for preparing a compound according to claim 1 of the formula: ##STR64## comprising reacting about one mole equivalent of a 1-nitroalkane of the formula, R 3 NO 2 , with about two mole equivalents of an aldehyde of the formula, R 4 CHO, and about one mole equivalent of a compound of the formula: ##STR65## in the presence of an aqueous lower alcohol mixture at 20° C. to 50° C., R 1 and R 2 being loweralkyl C 1 -C 4 , R 3 is loweralkyl C 1 -C 3 , and R 4 is hydrogen, phenyl or substituted phenyl.
Claim 7
Dependent Claim
75 words
A process for the preparation of a compound according to claim 1 of the formula: ##STR66## where R 1 and R 2 are each loweralkyl C 1 -C 4 and R 3 is loweralkyl C 1 -C 3 ; comprising reacting approximately equimolar amounts of a compound of the formula: ##STR67## formaldehyde and carbon disulfide in an aqueous lower alcohol solution with an equimolar amount of a 1-nitroalkane at about 20° C. to 50° C.
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) | 1982-04-09 | 1982-10-09 | 1983-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-09 | 1986-10-09 | 1987-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-09 | 1990-10-09 | 1991-04-10 | $7700.00 | Window Closed / Lapsed |