用离子-电子法配平下列反应式。 (1)P4+HNO3rarr;H3PO4+NO (2)H2O2+PbSrarr;PbSO4+H2O(酸性介质) (3)Cr3++H2O2
36.[化学—有机化学基础](15分)药物H(阿戈美拉汀)是一种抗抑郁药,H的一种合成路线如下:OCH3B(CHO3)AICL3①AH_3CO^- CrcoH)(10NH_4⋅H_2ONOH)/(201+)C_(50)H_4O_3(H_2SO_4)/C_4H_4O_2 rac( CCNCNH3COH3COH3CONHCOCH3DDQ/CH2 Cl⑤(1)Hz/Rarcy-N_2)/2(CH_1CO_2) FGH...
8、敏)(ChlorphenamineChlorphenamine)NHOHOCH3CH3CH3特非那定(敏迪)(Terfenadine)(Terfenadine)NO.1NO.1上市非镇静;选择性作用外周H H1 1NNNHNOCH3F阿司咪唑( (息斯敏) ) (Astemizole) (Astemizole) 心脏毒性NNNFH3CNNHOP93咪唑斯汀( (皿治林) ) (MizolastineMizolastine)非镇静性P P8989几何异构体,反10...
1.1水解反应rch2x+h2oNaOHRCH2OH+NaX反应是可逆的,在强碱溶液共热下有利于水解反应。该反应是制备醇的一种方法,但只适用于制取引入OH比引入X困难的醇。1.2醇解反应RCH2X+RfONa伯卤代桂醇钠ROHRCH2OR+NaX该反应又称威廉姆逊(Williamso 8、n)醵合成法,是制备单纯讎和混合讎最常用的方法。醇解反应中,RX般为1。
21、生 2. 离子交换树脂的交换反应: p强酸性阳离子交换树脂 p弱酸性阳离子交换树脂 RCOOH + Na+ RCOONa + H+ 交换 再生 p强碱性阴离子交换树脂 RN(CH3)3+ OH + Cl RN(CH3)3+Cl + OH 交换 再生 p弱碱性阳离子交换树脂 RN(CH3)2 + H2O RNH (CH3)2+ OH RNH (CH3)2+ OH + Cl RNH (CH3...
(CH2)CH=CH2-|||-,故答案-|||-r-|||-为:CH=CH(CHCH=CH-|||-化剂-|||-Br-|||-△【官能团的引入和转换】(1)C=C的形成:①一元卤代烃在强碱的醇溶液中消去HX;②醇在浓硫酸存在的条件下消去H2O;③炔烃加氢;④烷烃的热裂解和催化裂化.(2)C≡C的形成:①二元卤代烃在强碱的醇溶液中消去两分子的...
HCHO(l)+2Cu+2(aq)+5OH−(aq)→Cu2O(s)+HCOO−(aq)+3H2O(l) C6H5CHO(ద్ర)+2[Ag(NH3)2(జల)+3OH−(జల) -rarrC6H5COO−4NH3 I(O2)+I−_(gha) Identify the substance oxidised, reduced , oxidising agent and reducing agent for each of the following reactio...
SGK-3-A1,PN10,G1/2-A,30-300 L/H H2O/tubesize:19,363MM sd2e-b3/s2d21 with 24V solenoid LeuzeBT8-01 Hawe NZP 16 CZ55/60 ProxitronIKL015.38GSA1(15m)2319Q-15C接近开关 Proxitron SCHUNK -E compact SK 40 .16.0, L1=64,5 0206415 1 SMI MG490154 Sigmatek DAI081 Stemmann-Technik...
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-5-ar = (4-cf3)c 6f 4rhcoohcooetpd(oac) 2ac-ile-oh1 atm o 22hrcoohcooet17 29、0fig. 11图 11 n-单保护的氨基酸配体加速的 c-h 键活化反应mono-n-protected amino acid ligand-accelerated c-h activation reactionsphhcoonamepd(oac)2 (5 mol %)boc-ile-oh 0.5h2obq, khco3phcoona*me...