网络羧酸酐;酸酐类;有化 网络释义
PREPARATION:An unsaturated carboxylic acid anhydride is reacted with 6-30C alkadiene in the molar ratio of the anhydride: the alkadiene of preferably 4:1-1:1, especially 2.5:1-1.6 in an inert gas atmosphere at 150-280 deg.C, preferably 180-240 deg.C to give a compound shown by ...
原料品名 3,3'-4,4'-Tetra Carboxylic acid Anhydride Diphenyl Sulfone 原料中文名称 3,3,4,4-二苯基砜四羧酸二酸酐 中文别名 3,4,4-二苯基砜四羧酸二酸酐;3,3',4'-二苯基磺酰基四甲酸二酐 (升华提纯);5,5'-磺酰基双(异苯并呋喃-1,3-二酮);-二苯基砜四羧酸二酸酐;3,4'-DIPHENYL...
英文名称:N-tert-Butoxycarbonyl-L-glutamic acid N-carboxylic anhydride 英文同义词:N-tert-Butoxycarbonyl-L-glutamic acid N-carboxylic anhydride;BOC-GLUTAMIC ACID-5-BENZYL ESTER NCA;4-Oxazolidinepropanoic acid, 3-[(1,1-dimethylethoxy)carbonyl]-2,5-dioxo-, phenylmethyl ester, (4S)- ...
化学名称 1,3-dioxo-2-benzofuran-5-carboxylic acid 分子式 C9H4O5 分子量 192.13 CAS号 552-30-7 EINECS编号 暂无权限 结构式图片 暂无权限 供应商信息 企业名称 TCI America 地址 121 Domorah Drive Montgomeryville,Pa 18936 Usa 国家/地区 美国 公司官网 暂无权限 公司联系电话 暂无权限 ...
1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid;1,2,4-BENZENETRICARBOXYLIC ANHYDRIDE;TMAN;TRIMELLITIC ACID ANHYDRIDE;1,2,4-BENZENETRICARBOXYLIC 1,2-ANHYDRIDE;1,2,4-Benzenetricarboxylic acid anhydride;epon9150;NCI-C56633;chembooktest;AKOS BBS-00003778 CBNumber: CB5293056 Molecular Formula: C9...
The simplest solution is to watch the reaction using the nucleophile quench method you describe (I usually use methylamine). Eventually, you should hit a plateau where you see X% amide and X% carboxylic acid, then add more reagent, see if that ratio changes, and assuming it doesn't change...
1, 2,4-Benzenetricarboxylic acid 1,2-anhydride 1, 3-Dioxo-5-phthalancarboxylic acid 1,2, 4-Benzenetricarboxylic acid, cyclic 1,2-anhydride 1,2, 4-Benzenetricarboxylic anhydride 1,2,4-Benzenetricarboxylic acid 1,2-anhydride 1,2,4-Benzenetricarboxylic acid anhydride ...
英文同义词: CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE (HHPA);1,3-Isobenzofurandione, hexahydro-, (3aR,7aS)-rel-;CIS-1,2-CYCLOHEXANEDECARBOXYLICANHYDRIDE;CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE;CIS-HEXAHYDROPHTHALIC ANHYDRIDE;CIS-HHPA;CIS-CYCLOHEXANE-1,2-DICARBOXYLIC ANHYDRIDE;HEXAHYDROPHTHALIC ACID ...
storage temp.2-8°C solubilityChloroform (Sparingly, Sonicated), DMSO (Sparingly) formCrystalline Powder colorWhite to cream Water SolubilityREACTS BRN136335 Stability:Moisture Sensitive InChIKeyHMMBJOWWRLZEMI-UHFFFAOYSA-N CAS DataBase Reference2426-02-0(CAS DataBase Reference) ...