Journal of Organic Chemistry p. 2587 - 2592 (1980)
Update date:2022-08-04
Topics:
Kato, Tetsuzo
Katagiri, Nobuya
Sato, Renzo
Reaction of diketene with dimethyl (α-diazoalkyl)phosphonates 4-8 and (diazomethyl)diphenylphosphine oxide (14) under irradiation gave E and Z 1-substituted 1-(dimethylphosphono)-5-oxo-4-oxaspiro<2.3>hexanes 9a,b-13a,b and (E)- and (Z)-1-(diphenylphosphin
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