Production method

Details Production method Production method

2010-02-23

2011-12-27

Kifle, Bruck (Department: 1622)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S106000, C562S458000

Reexamination Certificate

active

08084634

ABSTRACT:
The present invention relates to a process for preparing compounds of general formula Iwherein R1and R2are defined as in claim1, the pharmaceutically acceptable salts and the solvates thereof, which may be prepared starting from compounds of general formula IIwherein R1is defined as in claim1.

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Borch et al.; Cyanohydridoborate anion as a selective reducing agent; Journal of the American Chemical Society; 1971; vol. 93; No. 12; pp. 2897-2904.
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International Search Report, Form PCT/ISA/220, for corresponding PCT/EP2007/058526, dated Jan. 19, 2009.

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