Monatshefte fur Chemie p. 877 - 882 (1980)
Update date:2022-08-04
Topics:
Ahluwalia, V.K.
Prakash, Chandra
Bala, Shashi
A convenient synthesis of psoralen derivatives, viz., 7H-furo <3.2-g> <1> benzopyran-7-one (psoralen), 5-methyl-7H-furo <3.2-g> <1> benzopyran-7-one (4-methyl-psoralen) and 5-phenyl-7H-furo <3.2-g> <1> benzopyran-7-one (4-phenyl-psoralen) by blocking the 8-position of the starting compounds with iodine, subsequent Claisen migration followed by cyclisation is described. - Keywords: Claisen migration; Coumarins; Psoralen derivatives
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Doi:10.1021/jo00323a021
(1981)Doi:10.1021/ma049756z
(2004)Doi:10.1016/0040-4039(80)80229-2
(1980)Doi:10.1055/s-1980-29177
(1980)Doi:10.1002/hlca.200490153
(2004)Doi:10.1016/S0008-6215(00)80393-6
(1981)
