专利号:WO-2025082632-A1 优先权日:2023-10-16 标 题:Method and composition for oligonucleotide synthesis 发明人:SAITO MASAHARU 权利人:BACHEM HOLDING AG 摘要:The invention pertains to a method for the synthesis of oligonucleotides using pseudo solid-phase protecting groups, wherein said method comprises a step of subjecting a solution comprising a component (C-0)# to one or more aqueous extractions, wherein the organic phase comprises the component (C-0)#. Said component (C-0)# is a nucleoside or an oligonucleotide, which is covalently bonded to a pseudo solid-phase protecting group and comprises a free backbone hydroxyl group. The aqueous phase of each of said one or more aqueous extractions has a pH-value in the range of 4-7.
专利号:EP-4605403-A1 优先权日:2022-10-17 标 题:Method and composition for oligonucleotide synthesis 发明人:SAITO MASAHARU; TAKEDA KAZUTAKA; OKADA YOHEI; LUTHER ANATOL 权利人:BACHEM HOLDING AG 摘要:The invention pertains to methods for the synthesis of oligonucleotides using pseudo solid-phase protecting groups, wherein said method comprises at least one aqueous extraction carried out in the presence of one or more amide solvents SA, wherein each amide solvent SA is an amide solvent comprising one or more alkyl groups, wherein these one or more alkyl groups together comprise in total 6−24 carbon atoms. The invention further pertains to compositions comprising an oligonucleotide which is covalently bonded to a pseudo solid-phase protecting group and a mixed solvent comprising on or more of the aforementioned amide solvents SA.
专利号:WO-2024083746-A1 优先权日:2022-10-17 标 题 :Method and composition for oligonucleotide synthesis 发明人:SAITO MASAHARU; TAKEDA KAZUTAKA; OKADA YOHEI; LUTHER ANATOL 权利人:BACHEM HOLDING AG 摘要:The invention pertains to methods for the synthesis of oligonucleotides using pseudo solid-phase protecting groups, wherein said method comprises at least one aqueous extraction carried out in the presence of one or more amide solvents SA, wherein each amide solvent SA is an amide solvent comprising one or more alkyl groups, wherein these one or more alkyl groups together comprise in total 6−24 carbon atoms. The invention further pertains to compositions comprising an oligonucleotide which is covalently bonded to a pseudo solid-phase protecting group and a mixed solvent comprising on or more of the aforementioned amide solvents SA.
专利号:US-9670240-B2 优先权日:2014-05-02 标题 :Cyclic phosphinate derivatives and method of preparing the same 发明人:LEE PHIL HO; SHIN SEO HYUN; KANG DONG JIN; EOM DA HAN; KIM YEA RIN; JEONG YEON SEOK; CHOI WON SEOK 权利人:KNU INDUSTRY COOPERATION FOUND 摘要:Provided are novel cyclic phosphinate derivatives and a method of preparing the same, and more particularly, cyclic phosphinate derivatives including benzoxaphosphole oxide derivatives and benzoxaphosphorin oxide derivatives, and a method of preparing the same. The cyclic phosphinate derivative according to the present invention may have pharmacological and physiological activities, be used as the basic skeleton of the natural material, and be used in development of a new drug, and synthesis of various medicines. In addition, with the method of preparing a cyclic phosphinate derivative according to the present invention, various cyclic phosphinate derivatives may be prepared with high yield through a simple synthetic process by performing an intramolecular carbon-oxygen coupling reaction on the phosphinic acid derivative in the presence of a palladium (Pd) catalyst, an oxidant, and a base.
专利号:US-2010168423-A1 优先权日:2008-08-14 标题 :METHOD FOR THE PRODUCTION OF BRIDGED DIBENZ[c,e] [1,2]-OXAPHOSPHORIN-6-OXIDES 发明人:DOERING MANFRED; LINDNER BRIGITTE; KAPLAN ANDREAS 权利人:EMS PATENT AG 摘要:The invention relates to an improved method for the synthesis of monomeric and polymeric nitrogen-bridged derivatives of dibenz[c,e][1,2]-oxaphosphorin-6-oxides. These substances can be used as flameproofing agents for polyesters, polyamides, polycarbonates, epoxy resins, inter alia polymers.
专利号:WO-2016033079-A1 优先权日:2014-08-29 标题:Synthesis of naphthol novolac 发明人:FANG LIJING; LIAO GUIHONG; CHEN HONGYU; ZHANG CHAO; MULLINS MICHAEL J 权利人:BLUE CUBE IP LLC 摘要:A method for making naphthol novolac comprising: contacting a) a naphthol component comprising i) from 1 to 99 weight percent 1- naphthol; and ii) from 1 to 99 weight percent 2-naphthol; and b) an aldehyde in a reaction zone under reaction conditions to form the naphthol novolac, is disclosed. Also disclosed is a curable composition comprising: a) an epoxy resin; and b) a hardener component comprising i) an oligomeric compound comprising a phosphorus composition which is the reaction product of an etherified resole with 9,10-dihydro-9-oxa-10- phosphaphenanthrene-10-oxide, and ii) a naphthol novolac prepared by the above method. The curable composition can be used to prepare prepregs and electrical laminates.