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Synthesis of Both Enantiomers of Flavanone and 2-Methylchromanone

✍ Scribed by Yoshihiro Noda; Morio Watanabe

Publisher
John Wiley and Sons
Year
2002
Tongue
German
Weight
85 KB
Volume
85
Category
Article
ISSN
0018-019X

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✦ Synopsis

Seebach on the occasion of his 65th birthday An efficient enantiospecific synthesis of the (R)-and (S)-enantiomers of flavanone and 2-methylchromanone is described. The key steps are a C,C-bond formation by ring opening of a chiral epoxide with a dithiane anion, followed by a Mitsunobu cyclization. The products obtained have high enantiomeric purity.

πŸ“œ SIMILAR VOLUMES

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