89330-90-5Relevant academic research and scientific papers
X=Y-ZH compounds as potential 1,3-dipoles. Part 30. Cycloaddition of arylidene imines of α-amino esters to acetylenic dipolarophiles and pyrrole forming rearrangements
Grigg, Ronald,Gunaratne, H. Q. Nimal,Kemp, James
, p. 6467 - 6482 (2007/10/02)
Arylidene imines of α-amino esters undergo cycloaddition to ethyl phenylpropiolate, methyl propiolate and dimethyl acetylenedicarboxylate (ADE) on heating in toluene (110°C)or o-xylene (135- 145°C). The reactions proceed via stereospecific azomethine ylid
REACTION OF Δ3-PYRROLINES WITH DIMETHYL ACETYLENEDICARBOXYLATE. A NOVEL PYRROLE FORMING REARRANGEMENT
Grigg, Ronald,Gunaratne, H.Q. Nimal,Kemp, James
, p. 99 - 102 (2007/10/02)
Reaction of arylidene imines of methyl phenylglycinate with 2 moles of dimethyl acetylenedicarboxylate (ADE) leads, via an intermediate Δ3-pyrroline, to loss of the original methyl phenylglycinate moiety and formation of 2-aryl-3,4,5-tricarbo methoxypyrroles.
