CAS: 3453-64-3; 3-Methyl-1,3-Dihydro-2-Benzofuran-1-One

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📜2-乙酰苯甲酸置于1,2-Bis(Dimethylsilyl)Ethane,三(五氟苯基)硼烷体系中,用 二氯甲烷 用作溶剂,化学反应 0.17H,以75%的收率获得3-甲基-2-苯并呋喃-1(3H)-酮
参考文献:(Hme2Sich2)2:B(C6F5)3-催化还原-酮酸内酯化的有用试剂:(-)-Cis-Whisky 和 (-)-Cis-Cognac 内酯的简明合成
标题:(Hme2Sich2)2:B(C6F5)3-催化还原-酮酸内酯化的有用试剂:(-)-Cis-Whisky 和 (-)-Cis-Cognac 内酯的简明合成
摘要:(Hme2Sich2)2 已被用作 B(C6F5)3 催化的酮酸还原-内酯化合成γ-和δ-内酯的有用试剂.该过程简明地导致 (-)-Cis-Whisky 和 (-)-Cis-Cognac 内酯的总产率分别为 32% 和 36%.
Doi:10.1055/s-0036-1588488

专利信息

专利号:US-2015045564-A1
优先权日:2012-01-03
标 题 :Cu-MEDIATED ANNULATION FOR THE EFFECTIVE SYNTHESIS OF 3-SUBSTITUTED PHTHALIDES
发明人：REDDY SANTHOSH REKULA; PRAGATI KISHORE PRASAD; NAGA KIRAN; SUDALAI ARUMUGAM
权利人:COUNCIL SCIENT IND RES
摘要:The present invention disclosed herein is a novel commercially feasible, one pot synthesis of library of 3-substituted phthalides of formula I via CuCN mediated oxidative cyclization in high yield. Formula I

专利号:US-11708320-B2
优先权日:2018-06-29
标 题:Environmentally-friendly hydroazidation of olefins
发明人：XU HAO
权利人:UNIV GEORGIA STATE RES FOUND
摘要:The present invention provides processes for the synthesis of organic azides, intermediates for the production thereof, and compositions related thereto.

专利号:US-11083711-B2
优先权日:2015-11-19
标题 :Amine prodrugs of pharmaceutical compounds
发明人：MARFAT ANTHONY
权利人:BIOHAVEN THERAPEUTICS LTD
摘要:Disclose are amine prodrugs and methods of synthesis thereof. In particular, the amine prodrug comprises a drug molecule and at least one or more prodrug appendage moieties and the method for synthesis the amine prodrug comprises a step of coupling the drug molecule and at least one or more prodrug appendage moieties. Also disclosed are exemplary riluzole prodrugs and methods of synthesis thereof.

专利号:US-7345051-B2
优先权日:2000-01-31
标题 :Mucin synthesis inhibitors
发明人：ZHOU YUHONG; LEVITT ROY C; NICOLAIDES NICHOLAS C; JONES STEVE; MCLANE MIKE
权利人:GENAERA CORP
摘要:The claimed invention relates to methods of modulating mucin synthesis and the therapeutic application of compounds of Formula II in controlling mucin over-production associated with diseases such as chronic obstructive pulmonary diseases (COPD) including asthma and chronic bronchitis, inflammatory lung diseases, cystic fibrosis and acute or chronic respiratory infectious diseases. n nwhereinn X is S, N, O or CR; Y is CRR′, O, NR 6 , CRR′—CRR′ or CRâ• CR; Z is NR 6 , O, S, CRR′ or CRR′—CRR′; R 1 -R 3 are independently selected from the group consisting of H, C 1 -C 8 alkyl, C 1 -C 8 alkoxy, amino, hydroxy, halosubstituted alky and halo; R 4 is n n n n n n n n n n n n n n n n n n n Q is CR, NR 6 or n n n n n n n n n n n n R 5 is H or benzyl; n R 6 is H, C 1 -C 8 alkyl, C 1 -C 8 alkoxy, OH or halo; and n R and R′ are independently H, C 1 -C 8 alkyl, C 1 -C 8 alkoxy, OH or halo,n nor a harmaceutically acceptable salt thereof.

专利号:US-7300639-B2
优先权日:2002-12-03
标 题:Process for removing metals from liquids
发明人：LIU WANSHENG
权利人:BRISTOL MYERS SQUIBB CO
摘要:A process is provided for removing one or more metals from liquids. Also provided is a process for the synthesis of aP2 inhibiting compounds having the formula (I) n nwherein R 1 , R 2 , R 3 , R 4 , HET, and X-Z are as described herein, which process comprising the step of removing one or more metals from a solution of the compound of formula I or an intermediate or precursor thereof. The processes for removing metal comprise the step of contacting the liquid with a solid extractant comprising a metal-binding functionality.

专利号:WO-2013102935-A2
优先权日:2012-01-03
标 题:Cu-MEDIATED ANNULATION FOR THE EFFECTIVE SYNTHESIS OF 3-SUBSTITUTED PHTHALIDES