Synthetic Communications p. 887 - 892 (1996)
Update date:2022-08-03
Topics:
Bansal, Vandana
Kanodia, Saraswati
Thapliyal, Prakash C.
Khanna, Rajinder N.
Microwave irradiation accelerates the bromination of 1,4-quinones and coumarins with (i) bromide adsorbed on neutral alumina in 'dry media' and (ii) with iodine monobromide on acetic acid as compared to the reactions run at room temperature. Bromination takes place selectively at active quinonoid position in 1,4-quinones and at α,β-double bond in coumarins.
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