Processes for preparing calanolide a and intermediates thereof
申请人:——
公开号:US20040106808A1
公开(公告)日:2004-06-03
The present invention provides a production method of Calanolide A according to the following method
1
wherein each symbol is as defined in the specification, as a more convenient and industrially practical method for the synthesis of Calanolide A from an easily available starting material.