cf3ch2oh的酸性大于ccl3ch2oh。cf3ch2oh是一种有机化合物,缩写为TFE,是无色、能与水相溶的液体,其酸性酸性大于ccl3ch2oh,ccl3ch2oh对粘膜、眼睛和皮肤可产生严重的局部反应。
CF3CH2OH的摩尔质量和分子量为{1,数字}。 由Difluoro(Fluoromethoxy)Methane - CF3CH2OH组成 元素标志原子质量原子#质量百分比 碳 C 24.0214 g/mol 2 24.0118% 氟 F 56.9952 g/mol 3 56.9725% 氫 H 3.0238 g/mol 3 3.0226% 氧 O 15.9994 g/mol 1 15.993% Difluoro(Fluoromethoxy)Methane 元素 质量百分...
Wen, L -R,He, T,Lan, M.-C,Li, M.Three-component cascade annulation of β-ketothioamides promoted by CF3CH2OH: A regioselective synthesis of tetrasubstitutedthiophenes. Journal of Organic Chemistry . 2013Three-component cascade annulation of β-ketothioamides promoted by CF3CH2OH: A ...
百度试题 结果1 题目1-1 下列醇中酸性最强的是(填序号)D(A)CH3OH(B) CH_3CH_2OH(C) CH_2FCH_2CH_2OH(D)CF3CH2OH 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
18.化合物M(奥司他韦)是目前治疗流感的最常用药物之一,其合成路线如下:OCH CF CNH2C3H4O2CF3CH2OH(NH;I2A化剂 COOCH2CF催00定条件B DE010NH2(Boc)2O定条件HN NN Niio OBoc0COOC2H、Boc FG HM O O已知:(Boc)O的结构简式为O O O回答下列问题:(1)M中不含氧的官能团的名称是 。(2)有机物C的结...
摘要: CF3CH2OH was found to be a useful solvent for the oxidative rearrangement reactions of aminals promoted by N-chlorosuccinimide, which proceed via the intermediacy of in situ formed chloro-aminals and that produce 3,4-dihydroquinazolines....
摘要: CF3CH2OH was found to be a useful solvent for the oxidative rearrangement reactions of aminals promoted byN-chlorosuccinimide, which proceedviathe intermediacy ofin situformed chloro-aminals and that produce 3,4-dihydroquinazolines.关键词:...
Five stable conformers of \\{CF3CH2CH2OH\\} have been located. For each conformer, there are three potential H-abstraction sites (Cα, Cβ and –OH), and some of the H atoms can be abstracted by more than one abstraction channel due to the different attack orientations of the ...
(奥司他韦)是目前治疗流感的最常用药物之一,其合成路线如下:OCH2CF C3H4O2CF3CH2OH C0A催化剂COOCH2CF3催化剂B DNH2I NH30I2(Boc)2O一定条件HN0E F0NH2I0一定条件HN Boc O Boc0COOC2H3C HM已知(Boc)2O的结构简式为0 00O OO(1)M中不含氧的官能团的名称是(2)有机物C的结构简式为○(3)E与...
以下分子叫手性分子的是( ) A. CH3CH2OH B. COOH-CHOH-CHCl-COOH C. CFCl3 D. CH2OH-CHOH-CH2OH