- base than NPh3 (estimated
aqueous pKaH < −3). It
forms isolable triphenylphosphonium salts with
strong acids such as HBr: P(C6H5)3 + HBr → [HP(C6H5)3]+Br−...
- lactones,
resulting in ring-opening. With triphenylphosphine, HBr
gives triphenylphosphonium bromide, a
solid "source" of HBr. P(C6H5)3 + HBr → [HP(C6H5)3]+Br−...
- In the
presence of the
group 3
homoleptic catalyst Y[N(SiMe3)2]3,
triphenylphosphonium methylide can be
coupled with phenylsilane. This
reaction produces...
-
Wittig reaction of the
phosphonium salt of [(Z-Z)-nona-3,6-dien-1-yl]
triphenylphosphonium bromide with
methyl 9-oxononanoate,
followed by saponification, completed...
-
phase transfer bromination and
further reacted with 1-hydroxy-12-
triphenylphosphonium bromide. Both the end
products of the two
compounds undergo Witting...
-
penetrate mitochondrial cell
membranes (SkQ1 (plastoquinonyl-decyl-
triphenylphosphonium), SkQR1 (the rhodamine-containing
analog of SkQ1), SkQ3) have anti-oxidant...
-
through a
double Wittig reaction from o-phthalaldehyde with bis-(α,α′-
triphenylphosphonium)-dimethylether-dibromide. The
latter compound can be synthesized...
-
diphenyl ketene from
diphenylacetic acid and the
Hendrickson reagent (
triphenylphosphonium anhydride-trifluoromethanesulfonate) with
water elimination in 72%...
-
cationic derivative of the
plant antioxidant plastoquinone. In 1969,
triphenylphosphonium (TPP,
charged triphenylphosphine) was
proposed for use for the first...
- derivatives. Thus,
Wittig reaction of 3-methyl-2-furanacetaldehyde with
triphenylphosphonium isopropylide gave
rosefuran in 67% yield. The
aldehyde was obtained...
