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Conjugate Addition and Retro-Claisen Reaction of Gibberellin A3 Methyl Ester 3-Ketone with Alcohols under Neutral Conditions
Author(s): 
Pages: 203-206
Year: Issue:  2
Journal: JOURNAL OF XIAMEN UNIVERSITY(NATURAL SCIENCE)

Keyword:  赤霉素A3甲酯-3-酮共轭加成反应逆克莱森酯缩合反应氘同位素标记;
Abstract: 报道了赤霉素A3甲酯-3-酮与低级醇在中性和无催化剂条件下发生立体专一的共轭加成和逆克莱森酯缩合反应.发现乙醇在反应条件下只形成共轭加成产物而甲醇的反应则形成可分离的共轭加成和逆克莱森酯缩合产物.对反应进行了氘同位素标记实验,并讨论了反应的可能机理.
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