Vinylsulfone nor-pyrethric compounds

Details Vinylsulfone nor-pyrethric compounds Vinylsulfone nor-pyrethric compounds

1993-04-22

1994-07-12

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D32704

Patent

active

053290178

ABSTRACT:
Novel all possible stereoisomers and mixtures thereof of vinylsulfone nor-pyrethric compounds of the formula ##STR1## wherein R.sub.a is selected from the group consisting of alkyl of 1 to 18 carbon atoms, alkenyl and alkynyl of 2 to 18 carbon atoms, cycloalkyl of 3 to 18 carbon atoms, cycloalkylalkyl of 4 to 18 carbon atoms and aryl of 6 to 14 carbon atoms unsubstituted or substituted with at least one functional group, n is 0, 1 or 2, R.sub.b is selected from the group consisting of alkyl of 1 to 18 carbon atoms, alkenyl and alkynyl of 2 to 18 carbon atoms, cycloalkyl of 3 to 18 carbon atoms, cycloalkylalkyl of 4 to 18 carbon atoms and aryl of 6 to 14 carbon atoms, all unsubstituted or unsubstituted with at least one functional group or R.sub.a and R.sub.b together with the C-S-C to which they are attached form ##STR2##

REFERENCES:
Ramos et al, "Chirality and Crop Protection", Angewandte Chemie vol. 30, No. 10, Oct. 1991, pp. 1193 & 1212.
Babin et al, "A New Way . . . ", J. Org. Chem, 1992 vol. 57, 1992 pp. 548-589.

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