hf6391964 |
2010-10-12 07:25 |
Various aliphatic and aromatic dimethyl and diethyl acetals and ketals were found to hydrolyse in essentially quantitative yield when heated to 80 ◦C in neat water or aqueous medium without a catalyst or any other additive, while cyclic acetals were stable under these conditions. Selective deprotection is possible when both types of acetal are present. 原文下载地址:http://g.zhubajie.com/urllink.php?id=10003776fhcjoxz4purfnkcl |
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