Certain 3-benzoyl-4-oxolactams

Details Certain 3-benzoyl-4-oxolactams Certain 3-benzoyl-4-oxolactams

1987-03-13

1989-02-28

Hollrah, Glennoh H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548408, 548539, 546 16, 71 94, 71 95, C07D21186

Patent

active

048087203

ABSTRACT:
Compounds having the formula ##STR1## wherein R is halogen; C.sub.1 -C.sub.2 alkyl; C.sub.1 -C.sub.2 alkoxy; nitro; cyano; C.sub.1 -C.sub.2 haloalkyl; or R.sup.a SO.sub.n -- wherein n is 0 or 2 and R.sup.a is C.sub.1 -C.sub.2 alkyl; R.sup.1 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.2 is hydrogen or C.sub.1 -C.sub.4 alkyl; or R.sup.1 and R.sup.2 together are alkylene having 2-5 carbon atoms; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl; or R.sup.3 and R.sup.4 together are carbonyl; and R.sup.5 and R.sup.6 independently are (1) hydrogen; (2) halogen; (3) C.sub.1 -C.sub.4 alkyl; (4) C.sub.1 -C.sub.4 alkoxy; (5) trifluoromethyoxy; (6) cyano; (7) nitro; (8) C.sub.1 -C.sub.4 haloalkyl; (9) R.sup.b SO.sub.m -- wherein m is the integer 0, 1 or 2; and R.sup.b is (a) C.sub. 1 -C.sub.4 alkyl; (b) C.sub.1 -C.sub.4 alkyl substituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) --NR.sup.c R.sup.d wherein R.sup.c and R.sup.d independently are hydrogen or C.sub.1 -C.sub.4 alkyl; (11) R.sup.e C(O)-- wherein R.sup.e is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; or (12) --SO.sub.2 NR.sup.c R.sup.d wherein R.sup.c and R.sup.d are as defined; and (13) --N(R.sup.c)C(O)R.sup.d wherein R.sup.c and R.sup.d are as defined; R.sup.7 is C.sub.1 -C.sub.4 alkyl or phenyl; and t is the integer 0 or 1 and their salts are useful as herbicides.

REFERENCES:
patent: 3073838 (1963-01-01), Kuhnis et al.
E. Marcus et al., Journal of heterocyclic Chemistry, vol. 6, (1969), pp. 13-22.
R. C. F. Jones et al., Tetrahedron Letters, vol. 24(43), (1983), pp. 4751-4754.

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