Lithium-<i>N</i>-lithiomethyldithiocarbamate: Neue<i>N</i>-Alkylaminomethylanion-Äquivalente; III<sup>1</sup>. 2-Imidazolidinthione and 1,2-Diamine durch eletrophile Aminoalkylierung mit Iminen und Immoniumsalzen
作者:Hubertus Ahlbrecht、Christine Schmitt
DOI:10.1055/s-1994-25556
日期:——
Lithium N-Lithiomethyldithiocarbamates: New N-Alkylaminomethyl Anion Equivalents; III.1 2-Imidazolidinethiones and 1, 2-Diamines via Electrophilic Aminoalkylation with Imines and Iminium Salts Treatment of lithium N-butyl-N-lithiomethyldithiocarbamates 3 with various aldimines and ketimines 4 leads to 1,3,4, 4-tetrasubstituted 2-imidazolidinethiones 6. If iminium salts 7 are used as electrophiles, unsymmetrically substituted 1,2-diamines 8 are obtained.
锂N-甲基二硫代氨基甲酸锂:新型的N-烷胺甲基阴离子等价物;第三部分。1 通过亚胺和亚胺盐的亲电子氨基烷基化合成2-咪唑啉酮和1,2-二胺。将锂N-丁基-N-甲基二硫代氨基甲酸锂3与各种醛亚胺和酮亚胺4反应,得到了1,3,4,4-四取代的2-咪唑啉酮6。如果使用亚胺盐7作为亲电子试剂,则得到不对称取代的1,2-二胺8。