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ChemInform Abstract: Stereoselective Cyclopropanation and Ring-Opening: Application to the Synthesis of Pure (S)-2-Methyl-3-arylpropylamines.

✍ Scribed by M. ROJE; V. VINKOVIC; V. SUNJIC; A. SOLLADIE-CAVALLO; A. DIEP-VOHUULE; T. ISARNO

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

Stereoselective Cyclopropanation and Ring-Opening: Application to the Synthesis of Pure (S)-2-Methyl-3-arylpropylamines.

-A short synthesis (6 steps) of the (S)-enantiomers (I) and (II) of the fungicides fenpropimorph and fenpropidine is presented. The required trans-isomers (VI) of the cyclopropane intermediate are obtained in good enantioselectivity from the chiral oxathianes (VII). The final steps, i.e. chlorination of (X) and alkylation of the sec amines, are carried out by known methods. -(ROJE, M.;

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