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PREPARATION OF A TRANS-CALANOLIDKETONE INTERMEDIATE PRODUCT AND CHIRAL SEPARATION OF CALANOLIDALCOCOOLS DELIVERING RAZEMIC CALANOLIDE A.
PREPARATION OF A TRANS-CALANOLIDKETONE INTERMEDIATE PRODUCT AND CHIRAL SEPARATION OF CALANOLIDALCOCOOLS DELIVERING RAZEMIC CALANOLIDE A.
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机译:反式-丙二烯酮中间产物的制备和手性分离释放贪味丙二酸A的丙二醇
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摘要
The method of the invention comprises a process for synthesizing a trans-calanolide A ketone intermediate used in the synthesis of racemic trans-calanolide A. The invention further comprises a method for removing a racemic calanolide B diastereomer from a mixture of calanolide A and calanolide B diastereomers formed in the last step of the synthesis of calanolide A by crystallization.
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