CAS: 10028-70-3; Sodium Terephthalate

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532-32-1 144693-65-2 100-21-0

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专利信息

专利号:US-5446112-A
优先权日:1993-09-22
标 题:Melt process for the synthesis of tin(II) terephthalate
发明人：HAMILTON DOUGLAS G; HAWKINS CHRISTOPHER M
权利人:GEN ELECTRIC
摘要:A melt process for the synthesis of poly(metal aromatic esters) resins is provided. The process provides volatile byproducts which can be easily separated from the desired poly(metal aromatic ester) resin product. The poly(metal aromatic ester) resins are particularly useful as polymer additives for the purpose of such things as scavenging traces of water, activating sulphur accelerator crosslinking systems, and producing intumescent and polyester/metal oxide formulations.

专利号:US-5663342-A
优先权日:1994-03-08
标 题 :2-chloro and 2-bromo derivatives of 1,5-iminosugars
发明人：BARTA THOMAS E; MUELLER RICHARD A
权利人:SEARLE & CO
摘要:Novel 2-chloro and 2-bromo derivatives of 1,5-iminosugars are disclosed, especially such derivatives of 1,5-dideoxy-1,5-imino-D-glucitol. These compounds are useful inhibitors of glucosidase enzymes and also are useful as antiviral agents and as intermediates for the synthesis of other enzyme inhibitors and antiviral compounds.

专利号:US-8258298-B2
优先权日:2008-12-10
标 题 :Synthesis of morphine-6-glucuronide or one of the derivatives thereof
发明人：DLUBALA ALAIN; TRECANT CLAIRE; RIPOCHE ISABELLE
权利人:DLUBALA ALAIN; TRECANT CLAIRE; RIPOCHE ISABELLE; SANOFI SA
摘要:The disclosure relates to a method for preparing morphine-6-glucuronide or one of the deritives thereof comprising reacting a compound of formula (I): n nwherein R 1 is as defined in the disclosure,n nwith a glucuronic acid derivative of formula (II):n n nwherein PG, X, and R 4 are as defined in the disclosure,n nin the presence of an aromatic solvent and trimethylsilyl trifluoromethanesulfonate;n n(ii) reacting the product obtained in step (i) with a strong basic agent; and then (iii) recovering the product obtained in step (ii).

专利号:US-4311822-A
优先权日:1980-05-02
标题:Interfacial production of poly(ester carbonate) or polyester including acid chloride synthesis
发明人：DEGE GERALD J; SEGAL LEON; DEBONA BRUCE T; COOKE ROBERT S
权利人:ALLIED CORP
摘要:A process for producing poly(ester carbonates) and polyesters by reacting an aromatic or cycloaliphatic dicarboxylate salt such as sodium terephthalate with phosgene in an organic solvent in the presence of a catalytic amount of a tertiary nitrogen compound such as pyridine, optionally separating the suspended by-product inorganic salt and then interfacially reacting with a bisphenol such as bisphenol A. Excess phosgene in the diacid chloride synthesis can be carried over to the polymerization if a poly(ester carbonate) is to be produced or removed if a polyester is to be produced. Certain low levels of a tertiary nitrogen compound with a pyridine nucleus in the organic solution do not interfere with the interfacial polymerization.

专利号:ES-2470666-T3
优先权日:2008-12-10
标题 :Synthesis of morphine-6-glucuride or one of its derivatives

专利号:CA-2746428-A1
优先权日:2008-12-10
标题:Synthesis of morphine-6-glucuronide or one of the derivatives thereof