The Preparation and Properties of Some Chloromethylchlorosilanes

Thermal Decomposition of Acrolein. The Attack of Methyl and t-Butoxy Free Radicals on Acrolein

“…Thus it is valid that the number of moles of methyl radicals produced equals the number of moles of acetone detected. (12) The cyclic olefins are interesting in that although they may result from a thermal Diels-Alder reaction (the high temperature is certainly unfavorable to this process; cf. F. O.…”

Functionalization of Tetraorganosilanes and Permethyloligosilanes at a Methyl Group on Silicon via Iridium-Catalyzed C(sp3)–H Borylation

“…2−6 In sharp contrast, a synthetic method via conversion of the C−H bond of the alkyl group in nonfunctionalized tetraalkylsilanes has been much less explored, except for deprotonation with n-BuLi to form (silylmethyl)lithiums 7 and radical chlorination with Cl 2 to afford (chloromethyl)silanes. 8 Recently, we have developed an iridium-catalyzed C(sp 3 )−H borylation selectively at the methyl groups of methylchlorosilanes to give (borylmethyl)chlorosilanes. 9 This reaction provides a new synthetic strategy for functionalized organosilicon compounds via introduction of a functional group at methyl groups of a preformed organosilicon skeleton.…”

“…With the rapid expansion of applications of organosilicon compounds in materials sciences and synthetic organic chemistry, increasing attention has been paid to the development of efficient methods for the synthesis of new classes of organosilicon compounds. Since the establishment of Kipping’s method, i.e., alkylation of halosilanes with Grignard reagents, conventional methods to prepare tetraorganosilanes have relied on Si–C bond-forming reactions. − In sharp contrast, a synthetic method via conversion of the C–H bond of the alkyl group in nonfunctionalized tetraalkylsilanes has been much less explored, except for deprotonation with n -BuLi to form (silylmethyl)lithiums and radical chlorination with Cl 2 to afford (chloromethyl)silanes . Recently, we have developed an iridium-catalyzed C(sp 3 )–H borylation selectively at the methyl groups of methylchlorosilanes to give (borylmethyl)chlorosilanes .…”

Some Herbicidal Silicon Compounds

“…Distillation then gave the compounds previously described: chloromethylmethyldichlorosilane,3 bp 122°; dichloromethylmethyldichlorosilane, bp 149 °;4 and trichloromethylmethjridichlorosilane, mp 99-97°. 3 Chloromethyldimethylethoxvsilane was prepared from the corresponding chlorosilane as previously described,5 bp 132°.…”