单词 | orthocarbonate |
释义 | > as lemmasorthocarbonate orthocarbonate n. Brit. /ˌɔːθə(ʊ)ˈkɑːbəneɪt/ , /ˌɔːθə(ʊ)ˈkɑːbənət/ , U.S. /ˌɔrθoʊˈkɑrbənət/ ΚΠ 1869 G. Fownes Man. Elem. Chem. (ed. 10) 650 Ethyl orthocarbonate, C(OC2H5)4, is produced by heating a mixture of chloropicrin (trichloro-nitromethane) with absolute alcohol and sodium. 1999 Soap & Cosmetics (Nexis) 75 57 Developed by the Procter & Gamble Company, these perfume and fine fragrance formulations comprise pro-accord compounds for sustained fragrance release. Typically, the pro-accords are orthoesters, ketals, acetals or orthocarbonates that release two or more fragrance raw materials upon hydrolysis. < as lemmas |
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