Catalytic cycloaminomethylation of ureas and thioureas with N,N-bis(methoxymethyl)alkanamines
作者:R. R. Khairullina、A. R. Geniyatova、E. S. Meshcheryakova、L. M. Khalilov、A. G. Ibragimov、U. M. Dzhemilev
DOI:10.1134/s1070428015010200
日期:2015.1
An efficient procedure has been developed for the synthesis of 5-alkyl-1,3,5-triazinan-2-ones, 5-alkyl-1,3,5-triazinane-2-thiones, and 2,6-dialkylhexahydro-2,3a,4a,6,7a,8a-hexaazacyclopenta[def]fluorene-4,8(1H,5H)-diones by reactions of urea, thiourea, and tetrahydroimidazo[4,5-d]imidazole-2,5-(1H,3H)-dione with N,N-bis(methoxymethyl)alkanamines in the presence of SmCl3 · 6 H2O as catalyst.
已经开发出一种有效的程序,用于合成5-烷基-1,3,5-三嗪二-2-酮,5-烷基-1,3,5-三嗪烷-2-硫酮和2,6-二烷基六氢-2 ,3a,4a,6,7a,8a-六氮杂环戊[ def ]芴-4,8 (1 H,5 H)-二酮通过脲,硫脲和四氢咪唑[4,5 - d ]咪唑-2,5的反应在SmCl 3 ·6 H 2 O作为催化剂的情况下,用N,N-双(甲氧基甲基)烷胺与-(1 H,3 H)-二酮。