The method of the instant invention comprises combining under anhydrous conditions, (A) an alkoxysilane represented by the formula R. sup.4.sub.a Si(OR.sup.5).sub.4-a or its partial hydrolysis product wherein R.sup.4 is selected consisting of a monovalent hydrocarbon radical and a ...
Compounds of formula (I), wherein R is (a) a hydrogen atom, (b) an alkyl radical, (c) an allyl radical, (d) a phenyl radical, (e) a 2-or-3-pyridyl alkyl radical, (f) a 2-quinolylalkyl radical, (g) a naphthylalkyl radical, (h) a cycloalky... ALOUP JEAN-CLAUDE,AUDIAU ...
Compounds of the formula I ##STR1## in which R.sub.1 signifies an aryl, aralkyl or an aralkenyl group, the aryl radical of which can, in each case, be substituted one or more times by halogen, cyano, alkyl, trifluoromethyl, alkoxy, alkyl... EC Witte,H Beckh,K Stegmeier,... - ...
According to the invention, compounds of formula (I), wherein R1 is an acyl radical selected from lower alkoxy-lower alkanoyl (including lower alkoxy-carbonyl) wherein the lower alkoxy radical is unsubstituted or substituted by halogen, ... Bold,B Guido,Shripad,... 被引量: 6发表: 0年 Pr...
alkoxy, alkyl halide Z alkyl, halogen, N a number from 0 to 3, or wherein the radicals XYZ form together with the FENIL RADICAL IN WHICH ARE COMBINED, THE RADICAL nAPHTHALENE OF fORMULA IN WHICH and has the meaning given above... R Fischer,T Bretschneider,B Krüger,... 被引量: 0发...
The energetics of triplet-hydrogenion are shown to be very close to those for alkoxy radical reactions. Triplet states of acetophenone and several substituted benzophenones show very similar selectivities... C Walling,MJ Gibian - 《J.am.chem.soc》 被引量: 367发表: 1965年 Synthesis and antibac...
Mechanism of decomposition of cyclic peroxides, 4-alkoxy-1,4-dihydro-2,3-benzodioxin-1-ols, to afford hydroxyl radical The decomposition of 4-alkoxy-1,4-dihydro-2,3-benzodioxin-1-ols (1, Bd) in aqueous media was examined. Increasing the water content of the medium accelerat... S Matsugo...
Novel compounds having the formula ##EQU1## in which R is a C. sub.1 -C. sub.6 alkyl group, R.sub.f is a C.sub.1 -C.sub.6 fluoroalkyl group, and 0. ltoreq.n < 3 have been found suitable as Ziegler-Natta type co- catalyst components for polymerization or co-polymerization ...
The intermediate N-oxyl derivatives, a composition of the N-oxyl derivatives with ethylenically unsaturated monomers and a free radical initiator X, as well as a process for polymerization are also subjects of the present invention.doi:US6683142 B2Andreas Kramer...
Compounds of the formula: ##SPC1## Where Z is an oxaradical (a) R--O--(CH 2 ) n --O--, (b) R--O--(CH 2 ) m --O--(CH 2 ) n --O--; n is an integer equal to 2-3; m is an integer equal to 2-3 and R is an alkyl radical having one to five carbon atoms...