WebJun 28, 2024 · The utility of triphosgene and DMAP as mild reagents for chemoselective dehydration of tertiary alcohols is reported. Performed in dichloromethane at room temperature, this reaction is readily tolerated by a broad scope of substrates, yielding alkenes preferentially with the (E)-geometry. While formation of the Hofmann products is … WebGlycin- N -karboxyanhydrid. Glycin-. N. -karboxyanhydrid. jednotky SI a STP (25 °C, 100 kPa). Některá data mohou pocházet z datové položky. Glycin-N-karboxyanhydrid je organická sloučenina se vzorcem HNCH (CO) 2 O, nejjednoduší heterocyklus ze skupiny 2,5-oxazolidindionů a také nejjednodušší N -karboxyanhydrid aminokyseliny .
Triphosgene 32315-10-9 東京化成工業株式会社
WebNov 8, 2024 · Name:Bis(trichloromethyl)carbonate,CAS:32315-10-9.Use:For the synthesis of chloroformate, isocyanate, polycarbonate and acid chloride; Solid phosgene, also known as triphosgene, synthesis of raw materials for dimethyl carbonate-a green chemical raw materials, is a highly reactive material, can replace phosgene for a variety of chemical … WebNov 20, 2024 · This review article highlights selected advances in triphosgene-enabled organic synthetic reactions that were reported in the decade of 2010-2024. Triphosgene … number of offers from liberty university sdn
Triphosgene CAS#:32315-10-9 Chemsrc
Triphosgene (bis(trichloromethyl) carbonate (BTC) is a chemical compound with the formula OC(OCCl3)2. It is used as a solid substitute for phosgene, which is a gas. Triphosgene is stable up to 200 °C. Triphosgene is used in a variety of halogenation reactions. See more This compound is commercially available. It is prepared by exhaustive free radical chlorination of dimethyl carbonate: CH3OCO2CH3 + 6 Cl2 → CCl3OCO2CCl3 + 6 HCl Triphosgene can be … See more Triphosgene is used as a reagent in organic synthesis as a source of CO . It behaves like phosgene to which it cracks thermally: OC(OCCl3)2 → 3 OCCl2 Alcohols are converted to carbonates. Primary and secondary amines are converted to ureas … See more • Phosgene • Diphosgene See more Triphosgene's low vapor pressure makes it possible for it to reach concentrations that are considered toxicologically unsafe. While several properties of triphosgene are not yet readily available, it is known that it is very toxic if inhaled. A toxic gas is emitted if it comes … See more • Bulletin about Triphosgene • Material Safety Data Sheet See more WebTRIPHOSGENE FOR SYNTHESIS MSDS CAS No: 32315-10-9 MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. Product identifier Product form : Substance : EC no : 250-986-3 CAS No : 32315-10-9 Product code : 06383 Chemical structure : Synonyms : Bis(trichloromethyl) carbonate 1.2. WebJul 10, 2012 · Activation of primary aliphatic alcohols with triphosgene and triethylamine mixtures afforded either alkyl chloride or diethylcarbamate products, and the switch in selectivity appeared to be driven by sterics. The reaction conditions to achieve this highly useful transformation were unexceptionally mild and readily tolerated by a wide range of … number of office 365 company users worldwide