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US4054439A Expired / Lapsed US ⏱️ 0.0 years remaining

Acetal derivatives of 4-(substituted amino)-3,5-dinitrobenzaldehydes

Assignee: Eli Lilly and Co
•
Filing: 1976-07-21
•
Granted: 1977-10-18
•
Expires: 1996-07-21
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Abstract

Abstract Novel compounds identified as acetal derivatives of 4-(substituted amino)-3,5-dinitrobenzaldehydes, effective as herbicides, and intermediates for their preparation.

Inventors

  • 👤 Quentin F. Soper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:14
CPC Classifications
C; C07; C07D; C07D327/00; C07D327/02; C07D327/04; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/28; C07D319/00; C07D319/04; C07D319/06; C07D339/00; C07D339/02; C07D339/06; C07D339/08

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 37 words
A compound of the formula ##STR3## wherein X and Y are the same or different and are oxygen or sulfur; R is hydrogen or methyl; R 1 represents A. c 1 -c 6 alkyl, optionally monosubstituted with
Claim 2
Dependent Claim 37 words
A compound of the formula ##STR3## wherein X and Y are the same or different and are oxygen or sulfur; R is hydrogen or methyl; R 1 represents A. c 1 -c 6 alkyl, optionally monosubstituted with
Claim 3
Dependent Claim 94 words
methoxy, 2. cyano, or 3. halo, B. c 3 -c 4 alkenyl, C. halo(C 3 -C 4 )alkenyl, D. c 3 -c 4 alkynyl, E. cyclopropylmethyl, or F. tetrahydrofurfuryl; R 2 represents A. c 1 -c 6 alkyl, optionally monosubstituted with 1. methoxy, 2. cyano, or 3. halo, B. c 3 -c 4 alkenyl, C. halo(C 3 -C 4 )alkenyl, D. c 3 -c 4 alkynyl, E. cyclopropylmethyl, F. tetrahydrofurfuryl, or G. hydrogen; provided that R 1 and R 2 together contain no more than 8 carbon atoms; and n is 0 or 1.
Claim 4
Dependent Claim 94 words
methoxy, 2. cyano, or 3. halo, B. c 3 -c 4 alkenyl, C. halo(C 3 -C 4 )alkenyl, D. c 3 -c 4 alkynyl, E. cyclopropylmethyl, or F. tetrahydrofurfuryl; R 2 represents A. c 1 -c 6 alkyl, optionally monosubstituted with 1. methoxy, 2. cyano, or 3. halo, B. c 3 -c 4 alkenyl, C. halo(C 3 -C 4 )alkenyl, D. c 3 -c 4 alkynyl, E. cyclopropylmethyl, F. tetrahydrofurfuryl, or G. hydrogen; provided that R 1 and R 2 together contain no more than 8 carbon atoms; and n is 0 or 1.
Claim 5
Dependent Claim 10 words
The compound as in claim 1, said compound being 4-(1,3-dioxolan-2-yl)-2,6-dinitro-N,N-dipropylaniline.
Claim 6
Dependent Claim 10 words
The compound as in claim 1, said compound being 4-(4-methyl-1,3-dioxolan-2-yl)-2,6-dinitro-N,N-dipropylaniline.
Claim 7
Dependent Claim 10 words
The compound as in claim 1, said compound being 2,6-dinitro-4-(1,3-oxathiolan-2-yl)-N,N-dipropylaniline.
Claim 8
Dependent Claim 10 words
The compound as in claim 1, said compound being 4-(1,3-dithiolan-2-yl)-2,6-dintro-N,N-dipropylaniline.
Claim 9
Dependent Claim 10 words
The compound as in claim 1, said compound being 4-(1,3-dioxan-2-yl)-2,6-dinitro-N,N-dipropylaniline.
Claim 10
Dependent Claim 28 words
A method for inhibiting the growth of unwanted vegetation which comprises applying to a locus of said vegetation an herbicidally effective amount of a compound of claim 1.
Claim 11
Dependent Claim 16 words
The method of claim 7 wherein said compound is applied in combination with an inert diluent.
Claim 12
Dependent Claim 19 words
The method of claim 7 wherein said compound is applied in combination with a surfactant and an inert diluent.
Claim 13
Dependent Claim 22 words
The method of claim 7 wherein said compound is applied at a rate between about one-half and about 32 pounds per acre.
Claim 14
Dependent Claim 11 words
The method of claim 7 wherein 4-(1,3-dioxolan-2-yl)-2,6-dinitro-N,N-dipropylaniline is the herbicidal compound.

References Cited (Backward Citations)

US2481434A Cited
US3257190A Cited
US3780046A Cited
US3801636A Cited
US3869513A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-10-17 1981-04-18 1981-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-10-17 1985-04-18 1985-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-10-17 1989-04-18 1989-10-18 $7700.00 Window Closed / Lapsed

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