n-C4H9 代表正丁基 CH3CH2CH2CH2-，n-就代表他是正丁基 相对应的t-C4H9代表叔丁基 (CH3)3C-
The reaction of VOF 3 with (C 2H 5) 4NF, (CH 3) 4NCl and (C 4H 9) 4NBr salts in anhydrous CH 3CN produced new complexes with the anion general formula [VOF 3X] in that (X = F , Cl , Br ). These were characterized by elemental analysis, IR, UV/Visible and 19F NMR ...
aminoformaldehyde)iron(2 + )bis[tetrabromo- We, and others, have recently shown that the com- tetrakis-/z3-thio-tetraferrate(2 - )],[N(C4H9)4]2- plex [FenSnBr4]2- can form from FeBr3 and Na2S in [Fe(C3H7NO)6][FeaBr4S4]2, Mr = 2321.8, monoclinic, DMF solution via a ...
N-甲基-D-丙氨酸 CAS号:29475-64-7;MDL号:MFCD00063135;分子式:C4H9NO2;分子量:103.12;熔点:NULL;沸点:190.1℃ at 760 mmHg;密度:1.048g/cm3;折射率:NULL;EINECS登录号:NULL; 丙烯葡聚糖凝胶S-300 HR;CAS号:65546-95-4;MDL号:MFCD00165824;分子式:NULL;分子量:NULL;EINECS号:NULL;熔点:NULL;沸点:...
与甲酯的反应可以在催化剂存在下,例如在NaOAc、NaCN、酸性催化剂、(n-C4H9)3SnOR或Ti-、Zr-或Al-烷氧基化物存在下进行。具有重要性的是此反应在高温,例如50-200℃,或50℃至混合物的沸点下进行。其中T1=羟基的式(100)化合物可以以等摩尔量或过剩量使用,例如2-10、优选3-5摩尔当量。催化剂的用量可以是0.5...
ester(as CH3COOC4H9),% 0.1 0.3 unsaturated compound(as Br ),% 0.005 0.05 iron(Fe ),% 0.00005 0.0001 Product Application 1. For the production of n-butyl ester plasticizers (phthalic acid, aliphatic dibasic acid and phosphoric acid), as well as plastic and rubber products.2. It ...
Alkylammonium formate (AAF) ionic liquids, RNH3 + [HCO2 ], R=C2H5, C3H7, or C4H9, are prepared in high yield and purity by slowly reacting an alkylamine an... MM Waichigo,BM Hunter,TL Riechel,... - 《Journal of Liquid Chromatography & Related Technologies》 被引量: 68发表: 2007...
在我们实验室里采用环戊二烯基羰基铁的钠盐[(η5-C5H5)Fe(CO)2]Na和氯代乙酸酯ClCH2COOR(R=C2H5,C3H7,C4H9,C5H11)直接反应合成了铁羰基化合物(η5-C5H5)Fe(CO)2CH2COOR(Ⅰ).并通过IR,1H NMR,13C NMR以及MS的分析,确定了(Ⅰ)的结构.η5-环戊二烯基(2-烷氧基-2-氧代乙基)二羰基合铁(Ⅰ)的...
B. Limiting ionic partial molar volumes Cs+, Na+, (C4H9)4N+, Cl-, Br-, I-, BPh4- in aqueous acetone at 298.15 K. J. Solution Chem. 2003, 32, 987-995.P.S.Nikam, R.P.Shiwale, A.B Sawant and M. Hassan, Limiting ionic partial molar volumes and viscosities of Cs+, Na+, ...
Those in which X=H may be prepared by an exchange reaction between a 4'-epi-4'-O-trifluoromethanesulphonyl-N-protected-daunorubicin (or a corresponding 4-demethyl or 4-demethoxy derivative) and (C4H9)4NCl, (C4H9)4NBr or CsF. Those in which X=OH are prepared from those in which X...