FIELD: medicine. SUBSTANCE: ketopatntholacton is used as reagent 1, calcium salt of β-alanine being used as reagent 2. Reaction is carried out in the medium of lower aliphatic alcohols. Yield of desired product is 89.7 %, its melting point being 210-212 C. EFFECT: improves quality of desired product. 3 tbl
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Authors
Dates
1996-02-20—Published
1994-03-02—Filed