| abstract |
FIELD: agriculture. SUBSTANCE: the product: hydrazine derivatives or salts thereof of the formula: AC(O)NH-N(C(CH 3 ) 3 )C(O)-C 6 H 4 -R n wherein A represents a benzofuranyl group, a quinolinyl group or a benzothienyl group which may be substituted with a halogen atom, a (C 1 -C 6 )-alkyl group optionally substituted with a halogen atom, an alkoxy group of a nitro group; a benzothiazoyl group, a trienothienyl group, a dihydrothienothienyl group, a dihydrocyclopentathienyl group, a dihydrobenzothienyl group, a tetrahydrobenzothienyl group, an indanyl group, or a hexahydroindanyl group; R is a halogen atom, a (C 1 -C 6 )-alkyl group or a nitro group, n is an integer from 1 to 3 provided that when n is 2 or 3 R may be the same or different. Reagent 1: A-CONHNHC(CH 3 ) 3 . Reagent 2: R-C 6 H 4 -COX wherein X is halogen. EFFECT: improved properties of the title compounds. |