Functionalized Heterocumulenes: Synthesis and Applications of Phenylthiomethyl, Methylthiomethyl, Bis[phenylthio]methyl Isocyanates and Phenylthio-acetyl and Methylthio-acetyl Isothiocyanates
Functionalized Heterocumulenes: Synthesis and Applications of Phenylthiomethyl, Methylthiomethyl, Bis[phenylthio]methyl Isocyanates and Phenylthio-acetyl and Methylthio-acetyl Isothiocyanates
Reliable and General Method for the Cleavage of α-Arylheteroatom-Substituted Carboxylic Acids
作者:Siegfried Waldvogel、Anke Spurg
DOI:10.1055/s-2007-990967
日期:2007.12
: Bonds between arylheteroatom moieties and α-carbons of carboxylic acids are efficiently cleft by azide transfer and subsequent Curtiusrearrangement. The scope of the one-pot protocol covers differently substituted carboxylic acids and heteroatoms like O, S, Se, and N.
α-Alkylmercapto- und α-Arylmercapto-alkylisocyanate
作者:H. Böhme、W. Pasche
DOI:10.1002/ardp.19693020503
日期:——
α‐halogenierter Thioäther 1 mit Silbercyanat gewonnene α‐Alkylmercapto‐ bzw. α‐Arylmercapto‐alkylisocyanate 2 reagieren mit Ammoniak, primären oder sekundären Aminen zu α‐Mercaptoalkyl‐carbamiden 4 und mit Alkoholen zu α‐Mercaptoalkyl‐carbamidsäureestern 3.