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Carbonate ester information


Chemical structure of the carbonate ester group

In organic chemistry, a carbonate ester (organic carbonate or organocarbonate) is an ester of carbonic acid. This functional group consists of a carbonyl group flanked by two alkoxy groups. The general structure of these carbonates is R−O−C(=O)−O−R' and they are related to esters (R−O−C(=O)−R'), ethers (R−O−R') and also to the inorganic carbonates.

Monomers of polycarbonate (e.g. Makrolon or Lexan) are linked by carbonate groups. These polycarbonates are used in eyeglass lenses, compact discs, and bulletproof glass. Small carbonate esters like dimethyl carbonate, ethylene carbonate, propylene carbonate are used as solvents, dimethyl carbonate is also a mild methylating agent.

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Carbonate ester

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In organic chemistry, a carbonate ester (organic carbonate or organocarbonate) is an ester of carbonic acid. This functional group consists of a carbonyl...

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Carbonate

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the formula CO2−3. The word "carbonate" may also refer to a carbonate ester, an organic compound containing the carbonate group O=C(−O−)2. The term is...

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Propylene carbonate

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Propylene carbonate (often abbreviated PC) is an organic compound with the formula C4H6O3. It is a cyclic carbonate ester derived from propylene glycol...

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Ethylene carbonate

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Ethylene carbonate (sometimes abbreviated EC) is the organic compound with the formula (CH2O)2CO. It is classified as the cyclic carbonate ester of ethylene...

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Dimethyl carbonate

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Dimethyl carbonate (DMC) is an organic compound with the formula OC(OCH3)2. It is a colourless, flammable liquid. It is classified as a carbonate ester. This...

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Ester

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phosphate esters, e.g. triphenyl phosphate (O=P(−O−C6H5)3) and methyl dihydrogen phosphate (O=P(−O−CH3)(−OH)2) Carbonic acid forms carbonate esters, e.g....

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Diethyl carbonate

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Diethyl carbonate (sometimes abbreviated DEC) is an ester of carbonic acid and ethanol with the formula OC(OCH2CH3)2. At room temperature (25 °C) diethyl...

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Vinylene carbonate

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Vinylene carbonate (VC) or 1,3-dioxol-2-one, is the simplest unsaturated cyclic carbonic acid ester. Vinylene carbonate can also be thought of as the cyclic...

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Nicolaou Taxol total synthesis

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was derived from diol 7.2 by an ester bond formation, according to the Ojima-Holton method. This diol comes from carbonate 6.3 by the addition of phenyllithium...

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Triphosgene

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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...

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Diphenyl carbonate

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Diphenyl carbonate is the organic compound with the formula (C6H5O)2CO. It is classified as an acyclic carbonate ester. It is a colorless solid. It is...

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Holton Taxol total synthesis

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protected with phosgene as a carbonate ester (20). The terminal alkene group of 20 was next converted to a methyl ester using ozonolysis followed by oxidation...

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Diallyl carbonate

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Catechol carbonate is a versaile intermediate for ester-exchange reactions. It is available from a variety of reactions, including ester-exchange of...

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Polycarbonate

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polycarbonate can contain the precursor monomer bisphenol A (BPA). Carbonate esters have planar OC(OC)2 cores, which confer rigidity. The unique O=C bond...

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Trenbolone hexahydrobenzylcarbonate

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nandrolone group and an androgen ester – specifically, the C17β hexahydrobenzylcarbonate (cyclohexylmethylcarbonate) ester of trenbolone – which was marketed...

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Trimethylene carbonate

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Trimethylene carbonate, or 1,3-propylene carbonate, is a 6-membered cyclic carbonate ester. It is a colourless solid that upon heating or catalytic ring-opening...

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Tenofovir disoproxil

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manufacturing route. Adenine is first reacted with a chiral version of propylene carbonate with R absolute configuration, using sodium hydroxide as base. Under these...

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Phosgene

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phosgene is used in excess to prevent formation of the corresponding carbonate ester. With amino acids, phosgene (or its trimer) reacts to give amino acid...

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Diethyl pyrocarbonate

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Diethylpyrocarbonate Diethyl oxydiformate Ethoxyformic anhydride Pyrocarbonic acid diethyl ester DEPC Identifiers CAS Number 1609-47-8 Y 3D model (JSmol) Interactive image...

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Danishefsky Taxol total synthesis

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to give diol 33, which was protected in the next step as the cyclic carbonate ester (34). L-Selectride reduction of enone 34 gave ketone 35. The ketone...

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Functional group

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(Ethanoyl chloride) Carbonate Carbonate ester ROCOOR' (alkoxycarbonyl)oxy- alkyl carbonate Triphosgene (bis(trichloromethyl) carbonate) Carboxylate Carboxylate...

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Ortho ester

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mildly acidic hydrolysis yields the ester of tris(hydroxymethyl)ethane which is then cleaved using e.g. an aqueous carbonate solution. Acetal, C(OR)2R2 Orthocarbonate...

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Spirotetramat

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5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl ethyl carbonate Identifiers CAS Number 203313-25-1 3D model (JSmol) Interactive image...

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Carbamate

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whereas calcium carbonate is not. Adding a calcium salt to an ammonium carbamate/carbonate solution will precipitate some calcium carbonate immediately,...

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Etabonate

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Etabonate or ethyl carbonate is the chemical group with formula –CO 3–C 2H 5, or H 3C–CH 2–O–C(=O)–O–. The names are also used for esters R–OCO 2C 2H 5, for...

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