CAS: 43064-96-6; Tetrabutylammonium Cyanoborohydride

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CAS号2472-88-0 四丁基硫酸铵 | CAS号25895-60-7 氰基硼氢钠 | CAS号770-71-8 1-金刚烷甲醇 | CAS号29850-06-4 1-adamantanegly...

📜四丁基氯化铵,Sodium Cyanoborohydride 以 水 作为反应溶剂,化学反应生成 四丁基氰基硼烷化铵
参考文献:提供硫属键和卤素键的氰基硼氢化物提供亚胺氢化
标题:提供硫属键和卤素键的氰基硼氢化物提供亚胺氢化
摘要:锍,硒,碲和碘氰基硼氢化物已被合成,分离,并通过各种方法(包括单晶 X 射线衍射 (Xrd) 分析)充分表征.基于x射线衍射数据的分子中原子量子理论分析表明,在每种化合物的晶体结构中观测到的氢化物.σ-空穴短接触具有纯非共价性质.与氰基硼氢化钠和四丁基铵氰基硼氢化物相比,碲和碘氰基硼氢化物提供显着更高的亚胺氢化模型反应速率.基于核磁共振和高分辨率电喷雾电离质谱数据表明反应进程伴随着阳离子还原,提出了一种涉及难以捉摸的氢化鎓中间体形成的机制,作为亚胺部分传统亲电活化的替代方案.连接至阳离子的 σ-孔.
DOI:10.1021/acs.Joc.3C02282

专利信息

专利号:US-4301129-A
优先权日:1978-09-18
标题 :Synthesis of NaBH3 CN and related compounds
发明人：WADE ROBERT C; HUI BENJAMIN C
权利人:THIOKOL CORP
摘要:A process for the preparation of compounds of the formula RBH 3 CN wherein R is an alkali metal, a quaternary ammonium radical or a phosphonium radical wherein a compound of the formula RCN is treated with a stoichiometric amount or slightly less than a stoichiometric amount of a BH 3 donor is described. The final products are useful as hydrolysis stable reductants and as synthetic intermediates.

专利号:US-2014235840-A1
优先权日:2011-09-30
标 题:New synthesis of fucose
发明人：KHANZHIN NIKOLAY; BOUTET JULIEN; BONACCORSI FILIPPO; DEKANY GYULA
权利人:GLYCOM AS
摘要:A process for converting D-glucose into L-fucose, where a first aspect of the disclosure relates to a method of making a compound of formula (1) wherein R is independently H, alkyl or phenyl or, preferably, wherein the two germinal R groups together with the carbon atom to which they are attached form a C3-s cycloalkylidene group, including the step of treating a compound of formula (2) wherein R is defined above and R 1 is a sulphonate leaving group, with a reducing complex metal hydride and, preferably, a base to form the compound of formula (1); a compound of formula (13).

专利号:US-8129544-B2
优先权日:2002-10-15
标题:1-substituted-4-nitroimidazole compound and method for preparing the same
发明人：GOTO FUMITAKA; TAKEMURA NORIAKI; OTANI TADAAKI; HASEGAWA TAKESHI; TSUBOUCHI HIDETSUGU; UTSUMI NAOTO; FUJITA SHIGEKAZU; KURODA HIDEAKI; SHITSUTA TAKUYA; SASAKI HIROFUMI
权利人:GOTO FUMITAKA; TAKEMURA NORIAKI; OTANI TADAAKI; HASEGAWA TAKESHI; TSUBOUCHI HIDETSUGU; UTSUMI NAOTO; FUJITA SHIGEKAZU; KURODA HIDEAKI; SHITSUTA TAKUYA; SASAKI HIROFUMI; OTSUKA PHARMA CO LTD
摘要:The present invention relates to a 1-substituted-4-nitroimidazole compound represented by the general formula (1) or a salt thereof, n n(wherein R is a hydrogen atom, a lower alkoxy group-substituted lower alkyl group, a phenyl-lower alkoxy group-substituted lower alkyl group, a cyano-substituted lower alkyl group, a phenyl-lower alkyl group which may have lower alkoxy groups as the substituents in the phenyl ring or a group of the formula —CH 2 R A ; X is a halogen atom or a group of the formula —S(O)n-R 1 ) and method for preparing the same. The compound of the formula (1) is a useful compound as an intermediate for synthesis of various pharmaceutical and agricultural chemicals, particularly, as intermediates for antitubercular agents.

专利号:EP-2760876-A1
优先权日:2011-09-30
标 题:New synthesis of fucose

专利号:EP-4086245-A1
优先权日:2018-01-30
标 题 :Processes for preparing intermediates for the synthesis of a jak inhibitor

专利号:WO-2013046181-A1
优先权日:2011-09-30
标题:New synthesis of fucose