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US 4,054,439 AGranted
Acetal derivatives of 4-(substituted amino)-3,5-dinitrobenzaldehydes
AssigneeEli Lilly and Company
InventorQuentin F. Soper
Life of this patent
Estimating the term…
Abstract
Novel compounds identified as acetal derivatives of 4-(substituted amino)-3,5-dinitrobenzaldehydes, effective as herbicides, and intermediates for their preparation.
Claims11
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.sup.1 represents
- A. c.sub.1 -c.sub.6 alkyl, optionally monosubstituted with
- 1. methoxy,
- 2. cyano, or
- 3. halo,
- B. c.sub.3 -c.sub.4 alkenyl,
- C. halo(C.sub.3 -C.sub.4)alkenyl,
- D. c.sub.3 -c.sub.4 alkynyl,
- E. cyclopropylmethyl, or
- F. tetrahydrofurfuryl;
- R.sup.2 represents
- A. c.sub.1 -c.sub.6 alkyl, optionally monosubstituted with
- 1. methoxy,
- 2. cyano, or
- 3. halo,
- B. c.sub.3 -c.sub.4 alkenyl,
- C. halo(C.sub.3 -C.sub.4)alkenyl,
- D. c.sub.3 -c.sub.4 alkynyl,
- E. cyclopropylmethyl,
- F. tetrahydrofurfuryl, or
- G. hydrogen;
- provided that R.sup.1 and R.sup.2 together contain no more than 8 carbon atoms;
- and
- n is 0 or 1.
22 more elements
Dependencies are inferred from the claim text.