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Asymmetric Organocatalytic Cyclopropanation – Highly Stereocontrolled Synthesis of Chiral Cyclopropanes with Quaternary Stereocenters

✍ Scribed by Xavier Companyó; Andrea-Nekane Alba; Francisco Cárdenas; Albert Moyano; Ramon Rios

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
40 KB
Volume
2009
Category
Article
ISSN
1434-193X

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✦ Synopsis

it should have been pointed out that the first 2-bromo-keto ester addition to cinnamaldehyde catalyzed by diphenylprolinol derivatives was reported by Córdova [16] and Wang. [17] They obtained the desired quaternary cyclopropanes in excellent yields and enantioselectivities albeit in moderate dr. The authors apologize for this oversight.

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