A mild procedure for rapid and selective deprotection of aryl acetates using natural kaolinitic clay as a reusable catalyst

被引：20

作者：

Bandgar, BP ^{[1
]}

Uppalla, LS ^{[1
]}

Sagar, AD ^{[1
]}

Sadavarte, VS ^{[1
]}

机构：

[1] Swami Ramanand Teerth Marathwada Univ, Sch Chem Sci, Organ Chem Res Lab, Nanded 431606, India

来源：

TETRAHEDRON LETTERS | 2001年 / 42卷 / 06期

关键词：

catalyst; aryl acetates; deprotection; phenols;

D O I：

10.1016/S0040-4039(00)02198-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A variety of aryl acetates are selectively cleaved to the corresponding phenols using natural kaolinitic clay in methanol under mild conditions (25 degreesC). (C) 2001 Published by Elsevier Science Ltd.

引用

页码：1163 / 1165

页数：3

共 9 条

[1] [Anonymous], 1991, PROTECTIVE GROUPS OR
[2] Solvent-free one-pot rapid synthesis of 3-carboxycoumarins using focused microwaves
Bandgar, BP
Uppalla, LS
Kurule, DS
[J]. GREEN CHEMISTRY, 1999, 1 (05) : 243 - 245
[3] Natural kaolinitic clay: a remarkable reusable solid catalyst for the selective cleavage of thioacetals without solvent
Bandgar, BP
Kasture, SP
[J]. GREEN CHEMISTRY, 2000, 2 (04) : 154 - 156
[4] BAPTISTELLA LHB, 1989, SYNTHESIS-STUTTGART, P436
[5] Selective deprotection of aryl acetates, benzoates, pivalates, and tosylates under nonhydrolytic and virtually neutral conditions
Chakraborti, AK
Nayak, MK
Sharma, L
[J]. JOURNAL OF ORGANIC CHEMISTRY, 1999, 64 (21) : 8027 - 8030
[6] CORNELIS A, 1994, SYNLETT, P155
[7] Hafnium trifluoromethanesulfonate (Hf(OTf)4) as an efficient catalyst in the fries rearrangement and direct acylation of phenol and naphthol derivatives
Kobayashi, S
Moriwaki, M
Hachiya, I
[J]. TETRAHEDRON LETTERS, 1996, 37 (12) : 2053 - 2056
[8] A mild procedure for the clay catalyzed selective removal of the tert-butoxycarbonyl protecting group from aromatic amines
Shaikh, NS
Gajare, AS
Deshpande, VH
Bedekar, AV
[J]. TETRAHEDRON LETTERS, 2000, 41 (03) : 385 - 387
[9] Ytterbium triflate mediated selective deprotection of acetates
Sharma, GVM
Ilangovan, A
[J]. SYNLETT, 1999, (12) : 1963 - 1965

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