CAS: 1838-94-4; Isoprene Monoxide

上下游产品

CAS号78-79-5 异戊二烯 | CAS号918823-42-4 4-bromo-2-methy... | CAS号36219-40-6 异戊二烯溴代醇 | CAS号86832-95-3 2-methyl-1-[p-(... | CAS号86777-87-9 (2S)-2-methylbu... | CAS号86777-86-8 (S)-2,2,4-trime... | CAS号7437-62-9 1-chloro-2-meth... | CAS号79-21-0 过氧乙酸 | CAS号93-59-4 过氧化氢苯甲酰 | CAS号497-03-0 反-2-甲基-2-丁烯醛 | CAS号60920-98-1 5-methyl-3,6-di... | CAS号78-79-5 异戊二烯 | CAS号1708-31-2 3-methyl-2,5-di... | CAS号918-85-4 3-甲基-1-戊烯-3-醇 | CAS号502-65-8 番茄红素 | CAS号2088-02-0 2-甲氧基-2-甲基-3-丁烯-1-醇 | CAS号303-95-7 辅酶Q7 | CAS号303-98-0 辅酶Q10 | CAS号597-96-6 3-甲基-3-己醇

📜天然橡胶置于n-溴代丁二酰亚胺(Nbs),水,Potassium Carbonate体系中,化学反应 0.05H,反应生成一氧化异戊二烯
参考文献:(+/-)-Grandisol的立体控制合成
标题:(+/-)-Grandisol的立体控制合成
摘要:描述了一种合成grandisol的方法.通往环丁烷核心的路线依赖于有效的分子内 [2+2] 环加成,在环丁烷环的相邻侧链上建立所需的顺式环融合.使用新的两步锂/卤化物认证程序,Norgrandisol 有效地转化为grandisol.这种新方法能够以 22% 的总产率从市售起始材料分五步合成grandisol.
Doi:10.1055/s-0040-1719910

专利信息

专利号:EP-1448517-B1
优先权日:2001-10-31
标题:Method of preparing 4-chloro-3-methyl-2-butenylphenyl sulfide, di(4-chloro-3-methyl-2-butenyl)sulfide and di(4-chloro-3-methyl-2-butenyl)sulfone for synthesis of natural carotenoid products
发明人：KOO SANGHO; YANG JAE-DEUK; KIM JEONG-SOO; LEE SIJOON; PARK MINSOO
权利人:SK INNOVATION CO LTD; KOO SANGHO
摘要:Disclosed is a method of preparing intermediates required for synthesis of natural carotenoid products using sulfone compounds, which is advantageous in terms of high preparation efficiency due to a relatively simple process. Specifically, there is provided the preparation method of 4-chloro-3-methyl-2-butenylphenylsulfide as a C5-unit compound for lengthening a carbon chain, and di(4-chloro-3-methyl-2-butenyl)sulfide as a C10-unit compound for forming a central polyene moiety. In addition, di(4-chloro-3-methyl-2-butenyl)sulfone as a selective oxide of the di(4-chloro-3-methyl-2-butenyl)sulfide and a preparation method thereof are provided.

专利号:US-8921580-B2
优先权日:2012-05-09
标 题 :Methods and systems for the formation of cyclic carbonates
发明人：HATTON TREVOR ALAN; JAMISON TIMOTHY F; KOZAK JENNIFER AIDEN; SIMEON FRITZ; WU JIE
权利人:MASSACHUSETTS INST TECHNOLOGY
摘要:Described herein are inventive methods for synthesis of cyclic carbonates from CO 2 and epoxide. In some embodiments, the methods are carried out in the presence of a catalyst comprising an electrophilic halogen. In some embodiments, the methods are carried out in a flow reactor.

专利号:US-2014234926-A1
优先权日:2012-06-01
标题:Recombinant anaerobic acetogenic bacteria for production of isoprene and/or industrial bio-products using synthesis gas
发明人：BECK ZACHARY Q; CERVIN MARGUERITE A; CHOTANI GOPAL K; DINER BRUCE A; FAN JANINE; PERES CAROLINE M; SANFORD KARL J; SCOTCHER MILES C; WELLS DEREK H; WHITED GREGORY M
权利人:DU PONT; GOODYEAR TIRE & RUBBER; DANISCO US INC
摘要:This invention provides for recombinant anaerobic acetogenic bacterial cells having one or more nucleic acids whereby isoprene, mevalonate and/or other industrial bio-products are produced in a substantially oxygen-free culture condition using synthesis gas as energy and/or carbon source.

专利号:WO-2014193473-A1
优先权日:2013-05-31
标 题 :Recombinant anaerobic acetogenic bacteria for production of isoprene and/or industrial bio-products using synthesis gas
发明人：BECK ZACHARY Q; CERVIN MARGUERITE A; CHOTANI GOPAL K; DINER BRUCE A; FAN JANINE; PERES CAROLINE M; SANFORD KARL J; SCOTCHER MILES C; WELLS DEREK H; WHITED GREGORY M
权利人:DU PONT; DANISCO US INC; GOODYEAR TIRE & RUBBER
摘要:This invention provides for recombinant anaerobic acetogenic bacterial cells having one or more nucleic acids whereby isoprene, mevalonate and/or other industrial bio-products are produced in a substantially oxygen-free culture condition using synthesis gas as energy and/or carbon source.

专利号:US-2014011972-A1
优先权日:2011-02-08
标 题:Carbocatalysts for polymerization
发明人：BIELAWSKI CHRISTOPHER W; DREYER DANIEL R
权利人:BIELAWSKI CHRISTOPHER W; DREYER DANIEL R; GRAPHEA INC
摘要:Provided herein are novel processes for synthesis of polymers and/or polymer composites.

专利号:US-6747166-B2
优先权日:2000-03-02
标题:Process for preparing carotenoid polyene chain compounds and intermediates for preparing the same
发明人：KOO SANGHO; JI MINKOO
权利人:KOO SANGHO; SK CORP
摘要:The present invention provides an intermediate compound used for synthesis of polyene chain structure, that is an important moiety of carotenoid compounds, a process for preparing the same, and carotenoid polyene chain compounds prepared by using the intermediate, and, in particular, a process for preparing lycopene. The process for preparing the carotenoid polyene chain compound employs an allylic sulfone compound as starting material, which is reacted with C-5 sulfide compound to extend the carbon chain. The resultant thio-sulfone compound is oxidized, and the obtained disulfone compound is combined with C-10 di(haloallylic) sulfide compound to form a chain compound containing the desired number of carbon atoms. Then, the diallylic sulfone obtained by oxidation of the diallylic sulfide is subjected to Ramberg-Baklund reaction in order to form the central triene bond. After removal of sulfonyl groups, carotenoid polyene chain compound is obtained.