CAS: 1374248-81-3; (S)-N-((3S,5S,6R)-6-Methyl-2-Oxo-1-(2,2,2-Trifluoroethyl)-5-(2,3,6-Trifluorophenyl)Piperidin-3-yl)-2'-Oxo-1',2',5,7-Tetrahydrospiro[cyclopenta[b]Pyridine-6,3'-Pyrrolo[2,3-B]Pyridine]-3-Carboxamide

专利信息

专利号:US-12240808-B2
优先权日:2021-05-28
标 题 :Process for the synthesis of calebin-a and its intermediates
发明人：MAJEED MUHAMMED; NAGABHUSHANAM KALYANAM; MUTHUKAMAN NAGARAJAN; NAIDU PENTAKOTA PARADESI
权利人:MAJEED MUHAMMED; NAGABHUSHANAM KALYANAM; MUTHUKAMAN NAGARAJAN; NAIDU PENTAKOTA PARADESI
摘要:The invention discloses novel intermediates in the synthesis of Calebin A represented by formula 3. The invention also covers processes for the synthesis of Calebin-A and its analogs using compounds of formula 3.

专利号:US-6417290-B1
优先权日:2001-01-29
标题:Synthesis of energetic polyester thermoplastic homopolymers and energetic thermoplastic elastomers formed therefrom
发明人：AMPLEMAN GUY; BROCHU SYLVIE
权利人:DEPT OF NAT DEFENCE
摘要:Polymerization of α-bromomethyl-α-methyl-β-propiolactone (BMMPL) or α-chloromethyl-α-methyl-β-propiolactone (CMMPL) yielded thermoplastic homopolymers that upon azidation led to a novel energetic thermoplastic polyester: poly(α-azidomethyl-α-methyl-β-propiolactone) (PAMMPL). An energetic copolyether-ester thermoplastic elastomer was prepared by using glycidyl azide polymer, a dihydroxyl terminated energetic polymer, as a macroinitiator for the polymerization of BMMPL or CMMPL. The azidation of the resulting copolyether-ester yielded an energetic thermoplastic elastomer that melted at between 80° C. and 85° C. Polymerization of α-dibromomethyl-β-propiolactone (DBMPL) resulted in a polymer which upon azidation yielded a new energetic polymer that can be used as a binder or into an energetic thermoplastic elastomer synthesis.

专利号:US-11401273-B2
优先权日:2018-11-20
标题:Asymmetric synthesis of Azaspiro compounds
发明人：LELETI RAJENDER REDDY; WAMAN YOGESH; KALLURE PRIYA; BEGUM ZUBEDA; DIVYA THUMBAN; NALIVELA KUMARA SWAMY; VIJAY SAURABH; PARIKH PARANJAY; KOTTURI SHARADSRIKAR; PATEL CHIRAG; NAYAK KRISHNA; BAHAROONI KASIMRAZA; ZALAVADIYA VINKAL
权利人:PIRAMAL PHARMA LTD
摘要:The present invention relates to an improved asymmetric synthesis of azaspiro or diazaspiro compound (hereafter referred to as the compound 5, (5A) or (5N)) or their pharmaceutically acceptable salts and derivatives; through the formation of intermediate compounds 4, (4A) or (4N) respectively. The process comprises an unusual substrate specific highly diastereoselective as well as enantio-enriched 1-substituted 2-azaspiro[3.3]heptane or 1-substituted 2-diazaspiro[3.3]heptane compounds with high diastereoselectivity by addition of a cyclobutane carboxylate anion to a Davis-Ellman's imine, followed by reduction and cyclisation resulting in the selective formation of azaspiro or diazaspiro intermediate compound 4, (4A) or (4N); which on subsequently removing the sulfinyl group provides corresponding azaspiro or diazaspiro compound 5, (5A) or (5N) respectively.

专利号:US-10647655-B2
优先权日:2016-09-02
标题:Method for the synthesis of permethrin
发明人：PULLAGURLA MANIK REDDY; NANDA KUMAR MECHERIL VALSAN; VELIGETLA MADHUSUDHANA RAO; RANGISETTY JAGADEESH BABU
权利人:BIOPHORE INDIA PHARMACEUTICALS PVT LTD
摘要:An improved method for the synthesis of substantially pure Permethrin having purity greater than 99.5% by Gas Chromatography provided. The embodiments also relates to a purification process of Permethrin by recrystallization from methanol-water mixture.

专利号:US-9611255-B2
优先权日:2015-06-10
标题 :Process for total synthesis of flavonoid compounds and isomers thereof
发明人：RAO BATCHU VENKATESWARA; LINGAMURTHY MACHA; RAJU Gurrapu; SARMA VANKA UMAMAHESWARA
权利人:COUNCIL SCIENT IND RES; COUNCIL SCIENT IND RES
摘要:The present invention relates to the a process for total synthesis of flavonoid compounds of general formula I and isomers thereof n nwherein R 1 and R 2 is OH; R 3 â•?H orn n n n n n n n n n n The present invention particularly relates to the process for preparation and separation of (2S,3S)-taxifolin-6-C-β-D-glucopyranoside (ulmoside A), (2R,3R)-taxifolin-6-C-β-D-glucopyranoside and taxifolin.

专利号:US-5338488-A
优先权日:1992-09-10
标 题:Process for the production of synthesis gas by oxidative converson of methane (or natural gas) using composite catalyst containing transitional and alkine earth metal oxides
发明人：CHOUDHARY VASANT R; RAJPUT AMARJEET M; SANSARE SUBHASH D; PRABHAKAR BATHULA; MAMMAN AJIT S
权利人:COUNCIL OF SCIENT RESEARCH
摘要:The invention relates to a process for the production of synthesis gas by oxidative conversion of methane using composite catalysts having the formula: TmAOn, wherein T is a transition metal or metals, m is the T/A mole ratio and is from 0.01 to 100, A is an alkaline earth metal or metals, O is oxygen and n is the number of oxygen atoms needed to form a catalyst composite wherein each element of the composite has a complete set of valence electrons. In a preferred embodiment, the process includes passing a gas containing methane and oxygen over the composite catalyst in a fixed bed reactor at a pressure in the range of 0.5-50 atm, and at a temperature in the range of 200 DEG -1000 DEG C., and recovering the synthesis gas.