FIELD: organic chemistry. SUBSTANCE: product:
or
where R - sodium or dimethylammonium cation, H, CH3; - furfuryl, o-aminophenyl, methyl. Reagent 2: 5-furfurylidenethiazolidinedione-2,4, isothine; acetone cyanohydrin. Reaction conditions: heating at 90-95 C in the medium of alkaline agent. EFFECT: improved method of synthesis. 4 tbl
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Authors
Dates
1996-03-27—Published
1990-06-25—Filed