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Copyright (c) 1999 American Chemical Society All Rights Reserved.

101:6283
Compositions of equilibrium mixtures of tert-butylhalobenzenes.
Merdzhanov, V. R.; Nesterova, T. N.; Rozhnov, A. M.; Kovzel, E. N. (Kuibyshev. Politekh. Inst., Kuibyshev, USSR). Deposited Doc., SPSTL 698 Khp-D82, 10 pp. Avail. SPSTL (Russian) 1982. DOCUMENT TYPE: Report CA Section: 22 (Physical Organic Chemistry)
Equil. consts. were detd. at 303 and 373 K for the isomerization of Me3CC6H4X (X = F, Br) and for the transalkylation of PhF with 2,4- and 3,5-(Me3C)2C6H3F and of PhBr with 3,5-(Me3C)2C6H3Br. These consts. and literature values for tert-butylchlorobenzenes were used to calc. the equil. compns. of products from the alkylation of halobenzenes by isobutene. The effect of reactant ratios and temp. in these alkylations was examd. Lowering the temp. increases the selectivity for 3-Me3CC6H4X and 3,5-(Me3C)2C6H3X.
Copyright (c) 1997 American Chemical Society All Rights Reserved.

Copyright (c) 1997 American Chemical Society All Rights Reserved.

125:10244
Easy preparation of 1,3-di-tert-butylbenzene and some derivatives thereof.
Komen, Corine M. D.; Bickelhaupt, Friedrich (Scheikundig Laboratorium, Vrije Universiteit, Amsterdam NL-1081, Neth.). Synth. Commun., 26(9), 1693-7 (English) 1996. CODEN: SYNCAV. ISSN: 0039-7911. DOCUMENT TYPE: Journal CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Section cross-reference(s):
1,3-Di-tert-butylbenzene (I) can conveniently be prepd. from 1-bromo-3,5-di-tert-butylbenzene which, in turn, is obtained from the easily available 1,3,5-tri-tert-butylbenzene. The use of I is illustrated by the prepn. of the arylphosphines II (X = Br, Cl, H).


[该帖子已被qdlct2002在2011-03-16 13:29:25编辑过]
回复人:jingfeng,★★★ (discoverygate) 时间:2011-03-16 20:52:34   编辑 1楼
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附件1996.0001 (下载一次扣除可用分1分。附件提供人得到0.5分)
回复人:jingfeng,★★★ (discoverygate) 时间:2011-03-16 20:52:42   编辑 2楼
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附件1996.0001 (下载一次扣除可用分1分。附件提供人得到0.5分)
回复人:qdlct2002,▲▲▲▲ (澳大利亚--我的梦想家园!) 时间:2011-03-17 07:20:07   编辑 3楼



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