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Indian Journal of Chemistry -Section B (IJC-B) >
IJC-B Vol.46B [2007] >
IJC-B Vol.46B(08) [August 2007] >
| Title: | Competitive [3,3] sigmatropic rearrangement of aryl propargyl ether moiety vs propargyl vinyl amine part in 6-[N-(4-aryloxybut-2-ynyl) N-methyl amino]coumarins |
| Authors: | Majumdar, K C
Das, T K
Chattopadhyay, B |
| Keywords: | 6-Aminocoumarin
Claisen rearrangement
Benzopyran
1,4-dichlorobut-2-yne
Sigmatropic rearrangement |
| Issue Date: | Aug-2007 |
| Publisher: | CSIR |
| Abstract: | Thermal rearrangement of 6-[N-(4/-aryloxybut-2-ynyl)N-methylamino]coumarins in refluxing N,N-DEA has led to Claisen rearrangement at the aryloxypropargyl segment resulting in the formation of N-(4/-coumarinylmethyl),N-methylcoumarins in excellent yield. |
| Page(s): | 1337-1342 |
| ISSN: | 0376-4699 |
| Source: | IJC-B Vol.46B(08) [August 2007]
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