Synthetic Communications p. 1141 - 1145 (2011)
Update date:2022-08-16
Topics:
Shindikar
Viswanathan
The article reports a practical, simple, and inexpensive procedure for the synthesis of 8-methoxy-3,4-dihydro-2H-1-benzopyran-3-ol (1). 2-Methoxy phenol on treatment offers the oxirane compound, which undergoes ring cleavage under acidic conditions to give a chlorohydrin, which on acylation and cyclization in the presence of stannic chloride followed by hydrolysis of the acetyl group, yields the desired compound (1).
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