نتایج جستجو برای: dialkyl phosphites
تعداد نتایج: 1614 فیلتر نتایج به سال:
Cyclisation of d-(N.N-dimethylhydrazono)alkyl phosphites af forded the title compounds in modera te to high yields. The ring closure was highly diastereoselective leading to an excess of the diastereomers with the /3,/3-dimethylhydrazino and M e O P groups in the trans configuration. The structure and relative configurations of diastereomeric pairs were established by ' H and C N M R spectrosco...
Iron(II) and iron(III) salts catalyze the oxidative alpha-phosphonation of N,N-dimethylanilines with dialkyl H-phosphonates in the presence of tert-butylhydroperoxide.
The Cosmetic Ingredient Review Expert Panel (Panel) reviewed the safety of 6 dialkyl malate compounds used in cosmetics. These ingredients function mostly as skin-conditioning agents-emollients. The Panel reviewed relevant animal and human data related to the ingredients along with a previous safety assessment of malic acid. The similar structure, properties, functions, and uses of these ingred...
An efficient and generally applicable protocol for palladium-catalyzed oxidative deacetonative coupling of 4-aryl-2-methyl-3-butyn-2-ols with dialkyl H-phosphonates has been developed. This methodology provides a new and practical route to alkynylphosphonates using the inexpensive 4-aryl-2-methyl-3-butyn-2-ols as the alkyne sources. This reaction could also be performed with aryl bromides, 2-me...
Three new linear benzene-fused bis(tetrathiafulvalene) compounds (1-3) were easily synthesized by one-step phosphite-induced cross-coupling reactions; a solution processed organic field-effect transistor based on 2 shows high mobility of 0.02 cm2/Vs.
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