We report the development of a rapid approach for directly converting indoles into 2-oxindoles promoted by HOCl formed in situ from the combination of PIFA and n-Bu4NCl路H2O. The procedure is widely functional group tolerant and provides 2-oxindoles in up to 94% yield within 5 min. The ...
内容提示: 一.10 1997 年 12 月 SOC1 2 / SnC1 4一 DMSO/ n — Bu4N C1引发体系 7 功J 能ma1 of F unctional Polym~ 高分子学报 No 4 Dec.1997 06弓 z、 苯乙烯活性阳离子聚合反应的研究 黎-昱 — —梁_晖 一卢江 邓云祥 510275) ’—●_-一_-——— ( 中山大学化学与化学工程学院. ...
The structure of a biologically active palladium complex [(1,10-phenanthroline)Pd(μ2-2-chloroethylammoniu)]24+ · 4NO3− · H2O has been determined from... AELV Magdysyuk - 《Glass Physics & Chemistry》 被引量: 5发表: 2011年 加载更多来源...
The Soret effect (thermal diffusion) of dilute aqueous solutions of NH 4 Cl, Me 4 NCl, Et 4 NCl, n-Pr 4 NCl, and n-Bu 4 NCl has been investigated potentiometrically using the silver, silver chloride thermocell. The molar entropies (heats) of transport have been derived from the initia...
I need some help distinguishing if the 4 species below are solvents, or catalists and if they are going to break apart and take part in the by-products of the reaction.used in a heck reaction : n-Bu4NCl used with a wittig reaction: KHMDS/THFused with Cl2CH2: iBu2AlH used with THF...
Methyltriphenylphosphonium iodide as well as n-Bu4NI acts efficiently as a halide source. The combination of TiCl4−n-Bu4NBr provides the corresponding bromo compounds in good yields. syn-α-Chloromethyl-β-hydroxy ketones are obtained with the TiCl4−n-Bu4NCl combination. A competitive ...
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1786-TNCLXT4 6SY7000-0AC37 OS400D03K 170ADM35010 365-0BA00-0AA0 333-2BA01 PWDXXA-400 QUINT-PS-100-240AC 24V开关电源 QUINT-PS-100-240AC 12V开关电源 SAKDU2.5N QZN50-033 SIZE: 4 FEET: PHILIPS.9114 016 63621 WTC099C LED36 CW PSU L1200-LED ...
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