CAS: 6117-91-5; Crotyl Alcohol

上下游产品

(E/Z)-crotyl bromide 2-hydroxy-3-butene 2-chloro-3-butene 1.3-butanediolbut-2-enyl 3-oxobutanoate (E)-2-butenyl hexanoate 2,3-epoxybutan-1-ol (E/Z)-crotyl bromide

1,3-丁二醇置于zinc(II) Chloride体系中,化学反应生成 巴豆醇
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专利信息

专利号:US-6184168-B1
优先权日:1997-09-22
标题:Synthesis of 1,4-trans-polybutadiene using a lanthanide organic acid salt catalyst
发明人：LYNCH THOMAS J
权利人:BRIDGESTONE CORP
摘要:The invention provides a catalyst composition, comprising: (a) an organolithium compound; and, (b) an organic acid salt of lanthanide series element; wherein: (1) only components (a) and (b) are required to promote the synthesis of 1,4-trans-polybutadiene; (2) the ratio of component (a) to component (b) is selected to maximize formation of the trans structure of said 1,4-trans-polybutadiene; and, (3) components (a) and (b) are selected for enabling further diblock synthesis. The invention further contemplates a process for using the catalyst to synthesize 1,4-trans-polybutadiene and other polymers and copolymers having trans configuration in the conjugated diene monomer contributed units.

专利号:US-2022298204-A1
优先权日:2019-07-05
标题 :Synthesis of a-amanitin and its derivatives
发明人：SIEGERT MARY-ANN; KNITTEL CAROLINE HERTA; SÃœSSMUTH RODERICH
权利人:PURE BIOORGANICS SIA
摘要:The present invention relates to the chemical synthesis of α-amanitin and its derivatives. The present invention also relates to intermediate products of the α-amanitin synthesis.

专利号:US-6252079-B1
优先权日:1993-06-30
标 题 :Intermediates in the synthesis of camptothecin and related compounds and synthesis thereof
发明人：CURRAN DENNIS P; BOM DAVID
权利人:UNIV PITTSBURGH
摘要:The present invention provides a short, convergent total synthesis of irinotecan and derivative compounds which comprises of a novel 4+1 radical annulation wherein the precursoris reacted with an aryl isonitrile having the formulawherein X is Br or I, and R4 is an alkyl group, an allyl group, a propargyl group or a benzyl group, and R16 is H, a C1-C6 alkoxy group, agroup wherein p is an integer between 4 and 12, or a C1-C12 acyclic dialkylamino group. The present invention also provides novel chemical intermediates for such 4+1 radical annulations.

专利号:US-11939264-B1
优先权日:2022-11-22
标题:Preparation method for hydrothermal synthesis of fly ash silicate aggregate
发明人：CHEN SHENGQIANG; ZHAI ZHUHE; ZHANG BING; SHANGGUAN LINJIAN; CHEN RUIXIAO; LI LUYANG; YANG GE; HAN MING; LI GUOWANG; YIN RUI; WANG TINGTING; LIU YONGCHUAN; CHEN DAN
权利人:HENAN BUILDING MATERIALS RES AND DESIGN INSTITUTE CO LTD
摘要:The present disclosure provides a preparation method for hydrothermal synthesis of fly ash silicate aggregate including: mixing sodium metasilicate, potassium hydroxide, and inorganic-organic hybrid excitation monomer as raw materials to obtain an inorganic-organic composite activator; preparing a silicate aggregate raw material, mixing measured fly ash, carbide slag, quicklime, and vitrified micro bubble by mass, adding the inorganic-organic composite activator and continue stirring to produce a mixture; forming a ball disc, wetting an expanded perlite that forms a core of the ball by spraying water, adding a prepared mixture, spraying water while adding, standing and curing, performing a maturation and activation treatment in an autoclave, undergoing a silicon calcium reaction for a hydrothermal synthesis to obtain the silicate aggregates. The present disclosure obtains silicate aggregates with high-performance by accelerating an internal activity of fly ash at an early stage and fully activating the activity of fly ash in all process.

专利号:US-6982333-B2
优先权日:1993-06-30
标 题:Intermediates in the synthesis of camptothecin and related compounds and synthesis thereof
发明人：CURRAN DENNIS P; JOSIEN HUBERT; KO SUNG BO
权利人:UNIV PITTSBURGH
摘要:The present invention provides a short, convergent total synthesis of camptothecin and related compounds which consists of a novel 4+1 radical annulation. The present invention also provides novel chemical intermediates for such 4+1 radical annulations.

专利号:US-7173059-B2
优先权日:2003-05-08
标题:Intermediates useful in the synthesis of HIV-protease inhibitors and methods for preparing the same
发明人：ALBIZATI KIM FRANCIS; BABU SRINIVASAN
权利人:AGOURON PHARMA
摘要:Optically active 3-amino-butene and 1,2-dihydroxy-3-amino-butane intermediate compounds, useful in the synthesis of HIV-protease inhibitors and methods of preparing these intermediate compounds are disclosed.