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FORMATION OF CHIRAL 4- CHROMANONES USING CHIRAL PYRROLIDINES IN THE PRESENCE OF PHENOLS OR THIOPHENOLS
FORMATION OF CHIRAL 4- CHROMANONES USING CHIRAL PYRROLIDINES IN THE PRESENCE OF PHENOLS OR THIOPHENOLS
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机译:在苯酚或硫酚存在下使用手性吡咯烷酮形成手性4-色酮
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摘要
The present invention relates to a synthesis of chromanones or chromanes in a stereospecific matter in view of the 2- position in the chromanone or chromane ring. It has been found that this synthesis is particularly possible in the presence of a chiral compound of formula of a specific type and of at least one phenol or thiophenol.
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