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.
Photostable, topically applicable cosmetic/dermatological compositions contain at least one dibenzoylmethane compound UV-A sunscreen and at least one merocyanine sulfone compound.
The present invention provides p70 S6 kinase inhibitors of the formula:
pharmaceutical formulations comprising them, and methods for their use.
本发明提供了p70 S6激酶抑制剂的公式:以及包含它们的制药配方和使用它们的方法。
SULFONIC ESTER DERIVATIVES, PROCESS FOR PREPARING THE SAME, AND USE THEREOF
申请人:KANEKA CORPORATION
公开号:EP0916654A1
公开(公告)日:1999-05-19
Novel and useful optical active 2-aralkyl-3-sulfonyloxy-1-propanol and 2-aralkyl-3-sulfonyloxypropionic acid are provided by using an optical active 2-aralkyl-3-acyloxy-1-propanol as a starting material. Furthermore, an optical active 2-aralkyl-3-thiopropionic acid, which is an important intermediate of enkephalinase inhibitor, is provided. According to the present invention, industrially useful optical active sulfonic acid ester derivatives can be provided.
PROCESSES FOR PREPARING CALANOLIDE A AND INTERMEDIATES THEREOF
申请人:Kuraray Co., Ltd.
公开号:EP1352907A1
公开(公告)日:2003-10-15
The present invention provides a production method of Calanolide A according to the following method
Scheme 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.
本发明根据以下方法提供了一种 Calanolide A 的生产方法
方案 1
其中各符号如说明书中所定义,是一种从容易获得的起始原料合成Calanolide A的更方便和工业实用的方法。