Thermal behaviour of aryl γ-haloprcpargyl ethers
G Ariamala, KK Balasubramanian
Index: Ariamala, G.; Balasubramanian, K. K. Tetrahedron, 1989 , vol. 45, # 1 p. 309 - 318
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Citation Number: 16
Abstract
A systematic study of the behaviour of aryl γ-halopropargyl ethers under thermal condition was undertaken. Aryl γ-bromopropargyl ethers 2 underwent unique transformation in N, N- diethylanillne (215° C, 6 h) giving rise to a mixture of products 3, 4 and 5, whereas, under similar conditions aryl γ-chloropropargyl ethers ulbar| 8, afforded 4-chlorochromenes, 9. A remarkable substituent and solvent effect has been observed in the thermolysis of these ...
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