By reaction of tert-butyldi(1-propynyl)phosphane (3) with (bromomethyl)ketones 4 the 4-tert-butyl-2-methyl-4-(1-propynyl)-6-R-4H-oxaphosphorin-4-ium bromides 6 are obtained, which are degraded by hydrolysis to the 4-tert-butyl-2-methyl-6-R-1,4-oxaphosphor
Maerkl, Gottfried,Hock, Klaus,Matthes, Dieter
p. 445 - 472
(2007/10/02)
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