Tetrahedron p. 2507 - 2522 (1994)
Update date:2022-08-02
Topics:
Gabbutt
Hartley
Hepworth
Heron
Kanjia
Rahman
A facile synthesis of 4-bromo- 2H-chromenes and 2H-thiochromenes and of 1-bromo-3,4-dihydronaphthalene from the corresponding ketones and PBr3 is described. In some instances, significant quantities of the phosphonic acids (3) are isolated. Con
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Doi:10.1055/s-1994-25440
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(1965)
