88787-11-5Relevant academic research and scientific papers
ADDITION REACTION OF 1,2,3-TRIAZINE 2-IMINES WITH DIMETHYL ACETYLENEDICARBOXYLATE
Ohsawa, Akio,Arai, Heihachiro,Yamaguchi, Kentaro,Igeta, Hiroshi,Iitaka, Yoichi
, p. 3759 - 3761 (2007/10/02)
1,2,3-Triazine 2-imine reacted with dimethyl acetylenedicarboxylate to give adducts of a novel type (2,3-bis(carbomethoxy)-8,8a-dihydropyrazolotriazines) which were considered to be formed from the primary 1,3-dipolar cycloadducts via a ring transformation. KEYWORDS ---- 1,2,3-triazine; 2-imino-1,2,3-triazinium ylide; 1,3-dipolar cycloaddition; ring transformation; Michael-addition; dimethyl acetylenedicarboxylate; N-ylide; cycloaddition; X-ray analysis
