FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing a compound of formula (I) which includes reacting a compound of formula (IV) with an oxalic acid diether of formula (V) . The invention also relates to intermediate compounds and methods for production thereof.
EFFECT: novel method of producing a compound having useful biological properties.
9 cl, 4 ex
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Authors
Dates
2015-01-10—Published
2010-05-11—Filed