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公开(公告)号：DE1946550A1
公开(公告)日：1971-03-25
申请号：DE1946550
申请日：1969-09-13
Applicant: BASF AG
Inventor： SCHOELLKOPF ULRICH PROF DR , GERHART FRITZ DR
IPC: C07C227/16
Abstract: Alpha-Acylaminoacrylic acid esters of formula (I): are prepd. by treating a metallised oxazoline of formula (II): (where R1 and R4 are alkyl, aryl, heteroaryl, aralkyl, R2 and R3 are organic groups or H, but not both H, and M is an alkali metal or an equiv. of Mg, Zn or Cd) with a proton donor. Starting materials (II) may be prepd. by direct metallisn. of the appropriate oxazoline or by condensing a metallised isocyanoacetic acid ester with a carbonyl cpd.
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