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ChemInform Abstract: Synthesis and Asymmetric Catalytic Activity of (1S,1′S)-4,4′-Biquinazoline-Based Primary Amines.

✍ Scribed by Murat Cakici; Mustafa Catir; Semistan Karabuga; Sabri Ulukanli; Hamdullah Kilic

Publisher
John Wiley and Sons
Year
2011
Weight
27 KB
Volume
42
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

New quinazoline‐based organocatalysts are prepared and applied in the asymmetric ethylation of aromatic aldehydes.The corresponding alcohols are obtained with high levels of enantioselectivity except for alcohols with ortho‐electron‐withdrawing substituents in the phenyl ring.

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✍ Masatoshi Asami; Megumi Ogawa; Seiichi Inoue 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 27 KB 👁 2 views

An Asymmetric Synthesis of (1S,4R)-4-Amino-2-cyclopentenol Derivatives. -Chiral cyclopentenols (II), prepared from mesocyclopentene oxide (I) under optimized conditions, are easily transformed to the title compounds (III) (useful chiral synthons) by oxidation. -(ASAMI,