Process for the preparation of chiral hydrazides
First Claim
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1. An optionally crystalline chiral compound of formula (II)
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Abstract
The present invention relates to a process for the preparation of a chiral compound according to formula (V) wherein R1 is preferably an alkyl residue preferably having from 1 to 6 carbon atoms, in particular to a process for the preparation of a chiral compound the crystalline chiral compounds as such, and their use for the preparation of an antifungal agent, in particular posaconazole.
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35 Claims
- 1. An optionally crystalline chiral compound of formula (II)
- 2. A chiral compound of formula (IV)
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11. A process for the preparation of a chiral compound, comprising
(1) providing a chiral compound of formula (I)
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