Journal of Organic Chemistry p. 5721 - 5727 (1987)
Update date:2022-07-29
Topics: Purification Starting Material
Keglevich, Gyoergy
Toth, Gabor
Petnehazy, Imre
Miklos, Peter
Toeke, Laszlo
Reaction of 6,6-dichloro-1-methyl-3-phosphinbicyclo<3.1.0>hexane 1-oxides 1 with silver nitrate in alkohols or water leads to the regioisomers of alkoxy- or hydroxy-1,2,3,6,tetrahydrophosphorin 1-oxides 2A and 2B or 3A and 3B.Each isomer consists of diastereoisomers.Water elimination from the hydroxy derivatives 3 results in the formation of the regioisomers of 1,2-dihydrophosphorin 1-oxides 4A and 4B.Constitution and strereostructure of the compounds has been elucidated by 1H, 13C, and 31P NMR spectroscopy.
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