Cinchonine
CAS number: 118-10-5
Cinchonine is cinchonan in which a hydrogen at position 9 is substituted by hydroxy (S configuration). It occurs in the bark of most varieties of Cinchona shrubs, and is frequently used for directing chirality in asymmetric synthesis.
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Aldol-Tishchenko Reaction in the Presence of Ti(OtBu)4/Cinchonine Complex
Possible mechanistic reaction pathway. Ti ) Ti(OtBu)4 or BINOLTi(OtBu)2/cinchonine.
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