Issue 22, 1995

Michael-type addition of 1,8-diazabicyclo[5.4.0]undec-7-ene to dimethyl acetylenedicarboxylate

Abstract

Michael reaction of DBU 1 with dimethyl acetylenedicarboxylate 2 and subsequent intramolecular condensation of the adduct gives a tricyclic derivative 6; a mechanism for the formation of 6 is proposed and an X-ray crystal structure of 6 is presented.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1995, 2251-2252

Michael-type addition of 1,8-diazabicyclo[5.4.0]undec-7-ene to dimethyl acetylenedicarboxylate

L. Ma and D. Dolphin, J. Chem. Soc., Chem. Commun., 1995, 2251 DOI: 10.1039/C39950002251

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