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ChemInform Abstract: A Practical Synthesis of C2-Symmetric Chiral Binaphthyl Ketone Catalyst.

✍ Scribed by Masahiko Seki; Shin-ichi Yamada; Tooru Kuroda; Ritsuo Imashiro; Toshiaki Shimizu

Publisher
John Wiley and Sons
Year
2001
Weight
33 KB
Volume
32
Category
Article
ISSN
0931-7597

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a β€œFull Text” option. The original article is trackable v

Synthesis and chiroptical properties of
Synthesis and chiroptical properties of a novel C2-symmetric binaphthyl phosphortriamide (”chiral HMPAβ€œ)
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By use of an asymmetric Ullmann coupling involving chiral naphthalene oxazolines 1, the title compounds were prepared in good yields and with high diastereoselectivity. Hydrolysis of the binaphthyl oxazolines 2 led to the di-aldehydes 5, which were transformed into the azepine derivative, 6. The lat