专利名称：PREPARATION OF SUBSTITUTED
BUTENOLIDES VIA PALLADIUM-FREElaura harris
ETHERIFICATION AND AMINATION OFreachfor
MASKED MUCOHALIC ACIDS
汉英字典在线查询发明人：BLAZECKA, PETER, GARTH,ZHANG, JI
申请号：IB2004002884手绘效果图培训
申请日：20040906
computergame
公开号：WO2005026141A8
kimber>eva cassidy公开日：
plp
20050630
专利内容由知识产权出版社提供
摘要：Methods and materials for preparing 4-substituted-2-buten-4-olidos are disclod. The methods include reacting a masked mucohalic acid with a primary or condary amine or with an arylol in the prence of a ba. Unlike existing process, the disclod methods do not require the u of palladium, which make them well suited for preparing intermediates in drug synthes.货柜英文
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申请人：WARNER-LAMBERT COMPANY LLC,BLAZECKA, PETER, GARTH,ZHANG, JI 更多信息请下载全文后查看
