Beitr�ge zur Kenntnis der Reaktionsf�higkeit des Penicillamins und seiner Derivate
作者:Friedrich Asinger、Karl-Heinz Gluzek
DOI:10.1007/bf00809375
日期:1983.1
US3947464A
申请人:——
公开号:US3947464A
公开(公告)日:1976-03-30
US3980666A
申请人:——
公开号:US3980666A
公开(公告)日:1976-09-14
US4059589A
申请人:——
公开号:US4059589A
公开(公告)日:1977-11-22
Process for formylation
申请人:Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
公开号:US04059589A1
公开(公告)日:1977-11-22
Organic basic nitrogen compounds are formylated in the presence of acetic anhydride by adding the nitrogen compound as a salt and carrying out the formylation with an alkali or ammonium formate in an organic solvent having limited miscibility with water.