METHOD OF PRODUCING PYRROLIDINIUM SALTS Russian patent published in 2015 - IPC C07D207/12

Abstract RU 2554878 C2

FIELD: chemistry.

SUBSTANCE: present invention relates to a two-step method of producing a compound of formula in the form of a salt or zwitterion, where R¹ and R² are independently (C₃-C₈)cycloalkyl or (C₆-C₁₀)aryl and R³ and R⁴ are independently (C₁-C₈)alkyl.

EFFECT: method minimises deviation in abundance ratios of diastereomers.

11 cl, 3 ex

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RU 2 554 878 C2

Authors

Tomas All'Mendinger

Dates

2015-06-27—Published

2010-04-07—Filed