发明名称 Method for producing N-vinyl pyrrolidone from lactone-free pyrrolidone
摘要 <p>A process for preparing N-vinylpyrrolidone by reacting 2-pyrrolidone with acetylene, wherein the 2-pyrrolidone used as a starting material (referred to hereinafter as starting 2-pyrrolidone) comprises less than 1 part by weight of &gamma;-butyrolactone per 100 parts by weight of 2-pyrrolidone.</p>
申请公布号 EP2229357(B1) 申请公布日期 2013.06.05
申请号 EP20080856062 申请日期 2008.11.26
申请人 BASF SE 发明人 STAFFEL, WOLFGANG;KAESHAMMER, STEFAN;KESSINGER, ROLAND;VOGELSANG, REGINA;PAUL, AXEL;TUTTELBERG, LEMBIT
分类号 C07D207/267 主分类号 C07D207/267
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