Nesmeyanov, A. N. published the artcileThermal telomerization of olefins with silanes, Quality Control of 14799-94-1, the publication is Nesmeyanov, A. N., Izbrannye Trudy (1959), 688-95, database is CAplus.
cf. CA 51, 14541i; 52, 6165d. MeSiCl2H (11.5 g.) was autoclaved with 4.3 g. ethylene in a glass ampul at 320-40° for 3 hrs. A 46% conversion was realized, with MeEtSiCl2 and EtBuSiCl2 comprising 80% and 17% of the product, resp. This was repeated in a steel 2.7-1. bomb with 1 mole MeSiCl2H and 2.7 moles ethylene at 340° for 40 min. A 46% conversion was also realized with 42% MeEtSiCl2 and 28% MeBuSiCl2 (CA 51, 11988b). Ph3SiH (32 g.), 30 ml. n-hexane, and 25 g. ethylene autoclaved 12 hrs. at 290-300° gave EtSiPh3, m. 68-70°, BuSiPh3, m. 81-2°, and (Ph3Si)2O, m. 221°. In a 0.5-1. steel autoclave was placed 65 g. MeSiCl2H, 50 ml. propylene, and 0.1 ml. of a solution containing 0.00865 g. H2PtCl6.6H2O in iso-PrOH. The mixture was warmed to room temperature, the reaction proceeding exothermally. After an hr., the mixture was removed and distilled to give 77 g. BuSiMeCl2, b. 123-4°, n20D 1.4230, d20 1.0432, Raman spectra given. Propylene and MeSiCl2H treated (CA 51, 11988b) and the MePrSiCl2 isolated and methylated by the Grignard method gave Me3SiPr, n20D 1.3925, d20 0.7020, Raman spectra given. Lines corresponding to Me3SiPr-iso were not observed. C6H13SiMeCl2 (from propylene and MeSiCl2H) was also methylated with a Grignard to give C6H13SiMe3, b60 82-3°, n20D 1.4171, d20 0.7493. A study was done with MeSiCl2H and ethylene to determine optimum conditions for preparation of MeSiCl2(C2H4)nH, where n = 1, 2, 3, >3. A temperature of 300 ± 10° and 150 ± 5 atm. in an autoclave were best. Maximum yield, n = 1, when by moles C2H4/MeSiCl2H = 0.75; n = 2, when C2H4/MeSi- Cl2H = 1.5; n = 3, when C2H4/MeSiCl2H = 2.8 and 3.4; n > 3 when C2H4/MeSiCl2H = 9. The ratio C2H4/MeSiCl2H was 2 and the pressure held at 100 atm. to give the maximum yield, n = 1, when temperature was raised to 400° and the mixture allowed to cool; n = 2, when the temperature = 320° for 10 min.; n = 3, when the temperature = 305° for 50 min.; n > 3, when the temperature = 285° for 120 min.
Nesmeyanov, A. N., Izbrannye Trudy published new progress about 14799-94-1. 14799-94-1 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Dichloro(hexyl)(methyl)silane, and the molecular formula is C7H16Cl2Si, Quality Control of 14799-94-1.
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