elsevierJournal of Supramolecular ChemistryUdachin K.A., andLipkowski J. (2002) J. Supramol. Chem. 2 : 449Udachin, KA, Lipkowski, J (2002) Water-fluorine chains in (n-Bu)4NF.5.5H2O hydrate. J. Supramol. Chem. 2: pp. 449-451...
例n-Bu4NF(xs) 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 是excess的缩写,过量的意思 解析看不懂?免费查看同类题视频解析查看解答 相似问题 有机化学反应 定义 化学反应的定义 化学反应速率的定义 特别推荐 热点考点 2022年高考真题试卷汇总 2022年高中期中试卷汇总 2022年高中期末试...
通过多种文献方法(参见Greene,T.W.和Wuts,P.G.M.,Protective Groups inOrganic Synthesis,3rdEdition,John Wiley & Sons,1999,273-276),如通过使用氟化物离子源(例如Bu4NF)在非质子溶剂如乙醚或THF中;或者在酸性条件(例如KF、48%HBr、DMF)下容易地将叔丁基二甲基甲硅烷基保护的儿茶酚中间体16脱保护。所...
tetra-n-butylammonium tetrabromoferrate(III)|tetrabutylammonium tetrabromoferrate(III)|n-Bu4NFeBr4|[tetrabutylammonium][FeBr4]|(n-C4H9)4NFeBr4|(n-Bu)4NFeBr4 CAS 23325-67-9 WIKI information includes physical and chemical properties, USES, security data, N
步骤1,N,0-二叔丁氧羰基-N-[(2,2-二氟-反式-3-苯基-1-环丙基)甲基]羟基胺在室温下将KOH(2.60g,40mmol)和乙酸(2,2-二氟-反式-3-苯基-1-环丙基)甲基酯(4.52g,20mmol,按照Y.KoBayashi等人在J.Org Chem,47,3232(1982)发表的方法制备)溶于甲醇(20ml)、四氢呋喃(20ml)和水(50ml)的混合物中并...
BwLpOoCWzlEtn32SLpI3GOc+6zqyXmSNK4DSlBGgJU2rFHiPTZNkO8T5a7zAuiJhj32R7tL0Rtzdy3Knp+BKv0EZ8gArZmg01pKZjBYJolSLdN7TWpJyYLgvbvsEYaKVoTdFz4nF/4L2TWVptlFrEqzcGusubo/aB0XISU0bhnNRe/CR4HKs1mgqlE+YVQxd1u9bk/UHuCj+J9s1q8E4GwA1FrRll5AH48m7hdtu5TAseDSexVSslea7ghTaq5K1rrZU6jpYBsdEz0+...
NVB5426NT4G PHB108NQ03LT PHB160NQ08T PHB45NQ15T,118 规格型号 TO-263-3,PHB225NQ04T,118-PHB153NQ08LT,118、TO-263-3,PHB225NQ04T,118-PHB174NQ04LT,118、TO-263-3,PHB225NQ04T,118-PHB176NQ04T,118、TO-263-3,PHB225NQ04T,118-PHB18NQ10T,118、TO-263-3,PHB225NQ04T,118-PHB191...
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v73TZL8KDDAd4NF/vxug2PWQug6S1/C4Cd/tPRcJbkxSHMmU4Hn7DAfEHPQpEvwO8OBjYzqWpiz/+wJP cNjw0Plx+U1XORUjLPzWjWmnLMtw0/gzY8O656ZjyMs+O0AoTeWrY93UwJI2keXVFjlG7m6fHuJzKf iuKsxPOuJcKfwd9Lf4RslnzPLhBmX/mHtIAiz0POBLfALFA9+I4Ibi/KdoK7op7rqH8xxCFwS4M+dhc6 qon3TYGmPSlOtnKovjgXRR+u+jr...
mmo1),H2O (2 m1) as solvent,1 00 ℃,24 h,in air; isolated yield; without —BudNBr as additive; n—Bu4NF (0.1 rnmo1); CTAB r0.1 mmo1) ;f 80 。C. N- arylation pro cess in water after 24 h at 10 0 ℃ in air. T he scop e of ary l halides w as investigated by using...