| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1255856 | Chinese Chemical Letters | 2011 | 4 Pages |
Abstract
An efficient 1-methylimidazole-catalyzed synthesis of dialkyl 2-[(4-methylphenyl)sulfonyl]-1H-pyrrole-3,4-dicarboxylates is described. The reactive 1:1 zwitterionic intermediate formed by the addition of 1-methylimidazole to dialkyl acetylenedicarboxylates is trapped by tosylmethyl isocyanide (TOSMIC) to afford the title compounds in excellent yields.
Related Topics
Physical Sciences and Engineering
Chemistry
Chemistry (General)
Authors
Mehdi Adib, Bagher Mohammadi, Ehsan Sheikhi, Hamid Reza Bijanzadeh,