118133-84-9Relevant academic research and scientific papers
X=Y-ZH SYSTEMS AS POTENTIAL 1,3-DIPOLES. PART 21 ACTIVATION OF THE ZH PROTON IN IMINES.
Grigg, Ronald,Donegan, Gregory,Gunaratne, H. Q. Nimal,Kennedy, Deirdre A.,Malone, John F.,et al.
, p. 1723 - 1746 (2007/10/02)
Imines, RCH=N-ZH, possessing a range of ZH groups (Z=CHCOPh, CHCOSR, CHCONHR, CHP(O)(OEt)2, 2-CH-pyridyl, 2-CH-thiazolyl, and 9-fluorenyl) undergo thermal 1,2-prototropy generating azomethine ylides stereospecifically.The intermediate azomethine ylides un
X=Y-ZH SYSTEMS AS POTENTIAL 1,3-DIPOLES. PART 14. BRONSTED AND LEWIS ACID CATALYSIS OF CYCLOADDITIONS OF ARYLIDENE IMINES OF α-AMINO ACID ESTERS
Grigg, Ronald,Gunaratne, H. Q. Nimal,Sridharan, Visuvanathar
, p. 5887 - 5898 (2007/10/02)
Cycloadditions of arylidene imines of α-amino acid esters to a range of dipolarophiles show substantial rate enhancements in the presence of Bronsted and Lewis acids.For Bronsted acids the rate is related to the pKa of the acid and cycloadditio
