Highly efficient deprotection of acetals by titanium cation-exchanged montmorillonite as a strong solid acid catalyst

被引：33

作者：

Kawabata, T ^{[1
]}

Kato, M ^{[1
]}

Mizugaki, T ^{[1
]}

Ebitani, K ^{[1
]}

Kaneda, K ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Dept Sci & Chem Engn, Toyonaka, Osaka 5608531, Japan

来源：

CHEMISTRY LETTERS | 2003年 / 32卷 / 07期

关键词：

D O I：

10.1246/cl.2003.648

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Deprotection of various kinds of acetals sufficiently occured in the presence of Ti4+-exchanged montmorillonite as a recyclable strong solid acid catalyst.

引用

页码：648 / 649

页数：2

共 18 条

[1] Acylation of 2-methoxynaphthalene and isobutylbenzene over zeolite beta [J].

Andy, P ;

Garcia-Martinez, J ;

Lee, G ;

Gonzalez, H ;

Jones, CW ;

Davis, ME .

JOURNAL OF CATALYSIS, 2000, 192 (01) :215-223

[2] Removal of acetal, silyl, and 4,4'-dimethoxytrityl protecting groups from hydroxyl functions of carbohydrates and nucleosides with clay in aqueous methanol [J].

Asakura, J ;

Robins, MJ ;

Asaka, Y ;

Kim, TH .

JOURNAL OF ORGANIC CHEMISTRY, 1996, 61 (25) :9026-9027

[3] A simple and efficient chemoselective method for the catalytic deprotection of acetals and ketals using bismuth triflate [J].

Carrigan, MD ;

Sarapa, D ;

Smith, RC ;

Wieland, LC ;

Mohan, RS .

JOURNAL OF ORGANIC CHEMISTRY, 2002, 67 (03) :1027-1030

[4]

COPPOLA GM, 1984, SYNTHESIS-STUTTGART, P1021

[5] Simple and efficient chemoselective mild deprotection of acetals and ketals using cerium(III) triflate [J].

Dalpozzo, R ;

De Nino, A ;

Maiuolo, L ;

Procopio, A ;

Tagarelli, A ;

Sindona, G ;

Bartoli, G .

JOURNAL OF ORGANIC CHEMISTRY, 2002, 67 (25) :9093-9095

[6] A simple chemoselective method for the deprotection of acetals and ketals using bismuth nitrate pentahydrate [J].

Eash, KJ ;

Pulia, MS ;

Wieland, LC ;

Mohan, RS .

JOURNAL OF ORGANIC CHEMISTRY, 2000, 65 (24) :8399-8401

[7] Simple and clean synthesis of 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene from the aromatic alkylation of phenoxyethanol with fluoren-9-one catalysed by titanium cation-exchanged montmorillonite [J].

Ebitani, K ;

Kawabata, T ;

Nagashima, K ;

Mizugaki, T ;

Kaneda, K .

GREEN CHEMISTRY, 2000, 2 (04) :157-160

[8] Acetal and ketal deprotection using montmorillonite K10: The first synthesis of syn-4,8-dioxatricyclo[5.1.0.0(3,5)]-2,6-octanedione [J].

Gautier, ECL ;

Graham, AE ;

McKillop, A ;

Standen, SP ;

Taylor, RJK .

TETRAHEDRON LETTERS, 1997, 38 (11) :1881-1884

[9]

Greene T.W., 1991, Protecting Groups in Organic Synthesis, V2

[10] Potassium dodecatangestocobaltate trihydrate (K5CoW12O40•3H2O):: a mild and efficient catalyst for deprotection of dioxolanes and trimethylsilyl ethers [J].

Habibi, MH ;

Tangestaninejad, S ;

Mohammadpoor-Baltork, I ;

Mirkhani, V ;

Yadollahi, B .

TETRAHEDRON LETTERS, 2001, 42 (38) :6771-6774

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