CAS: 112-71-0; 1-Bromotetradecane

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112-82-3 112-89-0 143-15-7

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CAS号52756-06-6 N-tetradecyl-N'... | CAS号1120-36-1 1-十四烯 | CAS号112-72-1 十四醇 | CAS号83486-04-8 dibromo(phenyl)... | CAS号77953-88-9 phenyl(tetradec... | CAS号77774-34-6 tert-butyldimet... | CAS号1034-39-5 二溴三苯基膦 | CAS号67-56-1 甲醇 | CAS号629-73-2 1-十六烯 | CAS号111897-16-6 2-tetradecyl-1,... | CAS号111953-19-6 3-(tetradecylam... | CAS号110072-50-9 dimethyl-phenyl... | CAS号36314-51-9 1,2-O,O-二十四烷基-rac-甘油 | CAS号41114-00-5 十五酸乙酯 | CAS号35599-83-8 十四硫醚 | CAS号593-45-3 正十八烷 | CAS号4671-75-4 1-十四烷基磷酸 | CAS号3234-28-4 1,2-环氧十四烷 | CAS号1462-53-9 3-(十四烷基硫基)丙酸

1-十四烯置于氢溴酸体系中,用 1,4-二氧六环,正己烷 用作溶剂,化学反应 1.0H,以98%的收率获得溴代十四烷
参考文献:新型溴化氢(hbr)在1,4-二恶烷中的溶液的制备和性质:不含质子溶剂的hbr气体的替代试剂
标题:新型溴化氢(hbr)在1,4-二恶烷中的溶液的制备和性质:不含质子溶剂的hbr气体的替代试剂
摘要:制备了溴化氢(hbr)在1,4-二恶烷中的溶液,并研究了其溴化醇和氢溴化烯烃的能力.这项研究表明,这种hbr / 1,4-二恶烷溶液的溴化能力等于或优于氢溴酸或hbr在乙酸中的溴化能力.当在-25oc下放置30天时,Hbr在1,4-二恶烷中的溶液坚固耐用,不分解溶剂,并保持其原始浓度的97%.该溶液是不含质子溶剂的hbr气体的液体替代品.
Doi:10.1016/j.Tetlet.2017.02.020

专利信息

专利号:US-10730904-B2
优先权日:2012-11-14
标 题:Method for liquid-phase synthesis of nucleic acid
发明人：NONOGAWA MITSURU; NAGATA TOSHIAKI; SAITO HIDEKI; YASUMA TSUNEO
权利人:TAKEDA PHARMACEUTICALS CO
摘要:In this method, an oligonucleotide represented by formula (II) [wherein Y 1 , Q, Base, r and r′ are each as defined in claim 1 ] is prepared by using, as a synthesis unit, a novel nucleoside monomer compound represented by formula (I) [wherein X, R 1 , Y, Base, Z, Ar, R 2 , R 3 and n are each as defined in claim 1 ]. The novel nucleoside monomer compound is a nucleoside, the base moiety of which is substituted with an aromatic-hydrocarbon-ring-carbonyl or -thiocarbonyl group having at least one hydrophobic group. The method can dispense with column-chromatographic purification in every reaction, and enables base elongation not only in the 3′-direction but also in the 5′-direction, thus attaining efficient liquid-phase mass synthesis of an oligonucleotide.

专利号:WO-2025109557-A1
优先权日:2023-11-24
标题:Process for the synthesis of monoesters of ethylenediaminetetraacetic acid
发明人：TERAZONO YUICHI
权利人:NUTRIEN AG SOLUTIONS CANADA INC
摘要:A process for the synthesis of a compound of Formula (I) is provided. (I) wherein R is selected from the group consisting of alkyl, alkenyl, alkynyl, and steroidyl. The process comprises reacting a compound of Formula (IIa), Formula (IIb) or a mixture thereof with a compound of Formula R-X, to obtain a compound of Formula (IIIa), a compound of Formula (IIIb) or a mixture thereof, wherein A+ is a cesium cation, a quaternary ammonium cation or a quaternary phosphonium cation, and X is a leaving group; and reacting the compound of Formula (IIIa), compound of Formula (IIIb) or mixture thereof with an acid to obtain a reaction product which comprises the compound of Formula (I). (IIa) (IIb) (IIIa) (IIIb)

专利号:WO-2012150292-A1
优先权日:2011-05-03
标题:Stereoselective synthesis of cis-4-methylsphingosine and derivatives thereof
发明人：ARENZ CHRISTOPH; PROKSCH DENNY
权利人:UNIV BERLIN HUMBOLDT; ARENZ CHRISTOPH; PROKSCH DENNY
摘要:The invention provides for synthesis of a (S-R) dihydroxy-amino-methylalkylene characterized by the general formula I, or its R-S diastereomer, wherein R1 is CH2OH or CH2-CH2OH, and R2 is C2 to C20 alkyl, whereby a compound characterized by the general formula II, with R3, R4 and R5 being protecting groups for amino and hydroxyl functions, respectively, is used as a starting material. The invention further provides novel intermediates for syntheses of, and analogues to, cis-4-methylsphingosine.

专利号:US-3764626-A
优先权日:1969-12-23
标 题:Method of synthetizing tertiary aliphatic amines by amination of alkyl halides
发明人：PIVETTE P
权利人:PIERREFITTE AUBY SA
摘要:This invention is directed to the production, by synthesis, of tertiary aliphatic amines by amination of alkyl haloids, by means of secondary aliphatic amine, wherein a reaction mixture is prepared which consists of two fractions, one fraction comprising at least one alkyl haloid consisting mainly of halogen-1-alkane, the other fraction consisting of a secondary aliphatic amine within an aprotic dipolar solvent capable of dissolving the halide and the secondary amine but not of appreciably dissolving in the cold state the resulting tertiary aliphatic amine, whereby operation at relatively low temperatures and pressure values can be performed.

专利号:US-3728393-A
优先权日:1968-10-31
标题:Process of synthesis of long-chain aliphatic amines
发明人：GAIGE R; SCHNEIDER G
权利人:PROGIL
摘要:Process of synthesizing long-chain aliphatic primary amines by reacting 1-bromo-alkanes with an excess of ammonia at a temperature not exceeding the critical temperature of ammonia, for example at 60*-130*C, under a pressure of 5 to 40 atmospheres in the presence of a solvent which is a mixture of an organic compound and water which forms an homogeneous minimum boiling point azeotrope.

专利号:WO-2024112637-A1
优先权日:2022-11-21
标 题:Novel methods for chemical synthesis of glycosylated sphingosines
发明人：CHEN XI; YU HAI; GUCCHAIT ARIN; AGRAHARI ANAND KUMAR
权利人:UNIV CALIFORNIA
摘要:Described herein are novel methods of preparing sphingosines and glycosylated sphingosines. A method of preparing a glycosylated sphingosine as described herein includes an efficient, four-step route for synthesizing lactosylsphingosine (LacbβSph) from Garner's aldehyde. Also described herein is a cost-effective method of synthesizing a variety of glycosylated sphingosines, sphingosines and glycosyl acceptors, including both the d18:1 and d20:1 D-erythro-sphingosines and the d18:1 and d20:1 D-erythro-sphingosine glycosyl acceptors, from xylose.