Bratt, Jack; Iddon, Brian; Mack, Arthur G., Journal of the Chemical Society. Perkin transactions I, 1980, p. 648 - 656
作者:Bratt, Jack、Iddon, Brian、Mack, Arthur G.、Suschitzky, Hans、Taylor, Jack A.、Wakefield, Basil J.
DOI:——
日期:——
Heteroaromatic Tripoles. Syntheses of Aminopyrimidine-Bispyridinium Salts and Bispyridiniopyrimidinaminides
作者:Andreas Schmidt
DOI:10.3987/com-98-8140
日期:——
Depending on the substitution pattern of the 4-aminophenyltrichloropyrimidine derivatives (1, 2) reaction with 4-dimethyraminopyridine and 4(pyrrolidin-1 -yl)pyridine, respectively, formed either the pyrimidine-dipyridinium salts (3, 4, 7, 8) or the tripolar species (5, 6, 9, 10) which are the first examples of mesomeric betainium salts.
Schmidt, Andreas; Nieger, Martin, Journal of the Chemical Society. Perkin transactions I, 1999, # 10, p. 1325 - 1331
作者:Schmidt, Andreas、Nieger, Martin
DOI:——
日期:——
Mesomeric Betainium Salts. Synthesis, X-Ray Analysis, and ESIMS Studies of Tripolar Pyrimidin-4-olates and Pyrimidin-4-aminides