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Asymmetric cyclopropanation of alkenes and diazocarbonyl insertion into SH bonds catalyzed by a chiral porphyrin Ru(II) complex

✍ Scribed by Erwan Galardon; Séverine Roué; Paul Le Maux; Gérard Simonneaux

Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 166 KB
Volume: 39
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)00194-4

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✦ Synopsis

A homochiral porphyrin ruthenium(U) complex catalyzes the cyclopropanation of styrene derivatives with ethyl diazoacetate with good yields and moderate enantiomeric excesses (46-52 %). The catalyst is also active for diazocarbonyl compound insertion into S-H bonds, but with low ee.

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