PRODUCTION OF LONG-CHAIN N-ALKYL GROUP-CONTAINING SILANEPURPOSE: To provide production method for a high-purity long-chain n-alkyl group-containing silane in a high yield by addition reaction.SUGIURA YASUSHI杉浦 保志KOYAMA TAKU小山 卓
After drying, every group was grinded down with an agate mortar. IR spectra (KBr) of the grinded powders were obtained using a Perkin Elmer model IR-700 spectrophotometer. Measurement of Amidation Rate of DAA and DAA- PNAA core-shell type gels with Alkylamine In a typical amidation of dried...
Polymers Containing Diethylsiloxane Segment and Active Functional Group by Ring-Opening Polymerization of Hexaethylcyclotrisiloxane under the Catalysis of ... Linear chlorinated phosphazene acid is prepared using PCl5 and NH4Cl as raw materials. Using hexaethylcyclotrisiloxane as the monomer, 1,1,3,3-te...
A reactive metal formazan blue dye represented by a free acid of the formula, ##STR1## wherein A1 and A2 are independently a substituted or unsubstituted phenylene or naphthylene group, B is a straight or branched alkyl or alkenyl group, a phenyl group, a naphthyl group or a heterocyclic...
34 Because the alkyl group exists in a fairly distant position from the active site in isopropenyl- triazines, the reactivity ratios should be independent of the alkyl chain length. Alfrey-Price Q and e values for these isopropenyl-1,3,5-triazines calculated from monomer reactivity ratios are ...
Variable-temperature NMR spectroscopic data suggest a fluxional process that interconverts the diastereotopic protons of the α-CH_2 group and a dynamic β-agostic interaction. Addition of >10 equiv of THF per yttrium to a solution of [Y(η^5:η^1-C_5Me_4SiMe_2NCMe_3)(μ-CH_2CH_2E...
Mutagenic potency in Hs30R, in general, appears to depend on the substituent (-OH, -OCH 3, -halogen, -COO or -COOCH 3) on the alkyl group, rather than the chain length or branching of the alkyl group. On the other hand, mutagenic potency in the wild-type H/r30R strain depends ...
In preferred embodiments R3 and R are both hydrogen and (1) one of R1 and R2 is hydrogen and the other is a C13 or C15 long chain alkyl group; or (2) both of R1 and R2 are C13 or C15 long chain alkyl groups. The alkoxylated amine compounds are conveniently prepared by reaction of...
Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R 1 is hydrogen or alkyl, R 2 is alkyl or alkoxy, R 3 is ##STR2## wherein a is 0 or 1, R 4 is hydrogen or CW' ...
In acetonitrile and in the gas phase, the basicity of the alkylimino derivatives depends on the size of the substituent at the imino group, which influences the degree of aromatization of the imidazole ring, as measured by 13CNMR chemical shifts or by the calculated ΔNICS(1) aromaticity ...