نتایج جستجو برای: methyl triphenyl phosphoranylidene
تعداد نتایج: 111332 فیلتر نتایج به سال:
Linking decyl-triphenyl-phosphonium to fluorescein yields a fluorescent probe that accumulates in energized mitochondria, facilitates proton transfer across membranes and stimulates mitochondrial respiration. This features a mitochondria-targeted uncoupler, being of potential interest for therapeutic use against oxidative stress-related diseases.
The title compound, [Ni(C(12)H(9)O)Cl(C(18)H(15)P)(2)]·CH(2)Cl(2), was synthesized from the reaction between 1-acetyl-4-chloro-naphthalene, NiCl(2)·6H(2)O and triphenyl-phosphine (PPh(3)) in ethanol. The compound contains one crystallographically unique nickel ion in a pseudo-square-planar geometry.
2-Acetylcyclopentanone undergoes a smooth reaction with triphenylphosphine and dialkyl acetylenedicarboxylates to produce dialkyl 2-(1-acetyl-2-oxocyclopentyl)-3-(1,1,1-triphenyl-lambda(5)-phosphanylidene)succinates. These compounds undergo intramolecular Wittig reactions in boiling benzene to produce highly strained spirocyclobutene derivatives, which spontaneously undergo ring-opening reactio...
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