FIELD: organic chemistry. SUBSTANCE: product: S,S-di-(lower alkyl)-ester of 4-(lower alkyl)-2,6-bis-(trifluoromethyl)-2,6-dihydroxy-3,5-piperidine dicarbothioacid. Reagent 1: lower alkyl thioester of trifluoroacetoacetic acid. Reagent 2: ammonia + lower alkylaldehyde. Reaction conditions: temperature is below 30 C, organic solvent. Synthesized compound is used in agriculture. EFFECT: improved method of synthesis. 2 tbl
Title |
Year |
Author |
Number |
METHOD OF SYNTHESIS OF LOWER ALKYL OXY- OR THIO-DERIVATIVES 4-(LOWER ALKYL)-2,6-BIS-(TRIFLUOROMETHYL)-(DIHYDRO- OR TETRAHYDRO)-PYRIDINE-3,5-DICARBOXYLIC ACIDS |
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