专利号:US-10927135-B2 优先权日:2017-08-03 标 题:Metal-free direct arylation of dialkyl phosphonates for the synthesis of mixed alkyl aryl phosphonates 发明人:KANG JUN YONG; HUANG HAI 权利人:THE BOARD OF REGENTS OF THE NEVADA SYSTEM OF HIGHER EDUCATION ON BEHALF OF THE UNIV OF NEVADA LAS VE 摘要:Provided herein are phosphates, thiophosphates, phosphonates, and phosphinates, methods of making same, and methods of using these compounds and methods for the generation of pharmaceutically relevant phosphate, phosphonate, and phosphinate analogs. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
专利号:US-4338166-A 优先权日:1980-12-08 标 题 :Electrochemical synthesis of organophosphorus compounds 发明人:KUCK MARK A; MILLER GARY K 权利人:STAUFFER CHEMICAL CO 摘要:A process for the preparation of organophosphorus derivatives of organic hydroxyl or sulfhydryl compounds which includes the step of electrolyzing said organic hydroxyl or sulfhydryl compounds in an electrochemical cell having an anode comprising ferrophosphorus.
专利号:US-2010204463-A1 优先权日:2007-08-07 标题 :Preparation Of Synthetic Nucleosides via Pi-Allyl Transition Metal Complex Formation 发明人:LIOTTA DENNIS C; LI YONGFENG 权利人:LIOTTA DENNIS C; LI YONGFENG 摘要:This invention provides highly regioselective and stereoselective processes for preparing synthetic nucleosides. A process for the preparation of synthetic nucleosides is provided that comprises a) preparing a bicycloamide derivative, b) reacting the bicycloamide derivative with a nucleic acid base or heterocyclic base or salt thereof in the presence of a transition metal catalyst to form a cyclopentenecarboxamide, and c) cleaving a carboxamide group from the cyclopentenecarboxamide to form the synthetic nucleoside. The processes according to the invention can be used for the synthesis of a variety of anti-viral agents, including Abacavir, Carbovir, and Entecavir, as well as derivatives thereof.
专利号:US-7432031-B2 优先权日:2005-03-22 标 题:Toner for electrostatic charge developing, production method thereof, developer for electrostatic charge developing using the same, and image forming method 发明人:MIZUTANI NORIYUKI; MAEHATA HIDEO; HAMANO HIROKAZU; TANAKA HIROYUKI; KITAGAWA SOICHIRO; IGUCHI MOEGI 权利人:FUJI XEROX CO LTD 摘要:A toner for electrostatic charge developing prepared by a production method including aggregating one or more kind of particles in a raw material dispersion including the particles to form aggregated particles, and coalescing the aggregated particles by heating. At least one kind of the particles is resin particles including an amorphous polyester resin synthesized by copolymerizing one or more polyvalent carboxylic acids and two or more polyhydric alcohols; at least one of the polyvalent carboxylic acids is polyvalent carboxylic acid having a sulfonic acid group; two of the polyhydric alcohols are an ethylene oxide adduct of bisphenol A and a propylene oxide adduct of bisphenol A; and the following equation is satisfied:n n10/90≦ BPA ( EO )/ BPA ( PO )≦90/10.n n In the equation, BPA(EO) represents a total mole amount of the ethylene oxide adduct of bisphenol A used in synthesis of the amorphous polyester resin, and BPA(PO) represents a total mole amount of the propylene oxide adduct of bisphenol A used in synthesis of the amorphous polyester resin.
专利号:US-7829654-B2 优先权日:2004-05-11 标 题 :Method for producing elastomeric copolyesters 发明人:KAEMPF RUDOLF 权利人:LURGI ZIMMER GMBH 摘要:A process for continuous or discontinuous synthesis of elastomeric copolyesters from polybutylene terephthalate (PBT) and polyoxytetramethylene glycol is described in which the tetrahydrofuran (THF) obtained as a byproduct in synthesis of polybutylene terephthalate from 1,4-butanediol is rectified and then reacted by ring-opening polymerization to form polyoxytetramethylene glycol which condenses with the free or esterified carboxyl groups of PBT to form the copolyester, whereby chain termination and catalyst deactivation are accomplished by adding 1,4-butanediol without separating the catalyst.
专利号:ES-2776889-T3 优先权日:2007-03-12 标题 :Synthesis of gamma-carbolines fused to substituted heterocycle