Synthesis of ethyl α-cyanocinnamates under ultrasound irradiation

被引：43

作者：

Li, JT ^{[1
]}

Li, TS ^{[1
]}

Li, LJ ^{[1
]}

Cheng, X ^{[1
]}

机构：

[1] Hebei Univ, Dept Chem, Baoding 071002, Peoples R China

来源：

ULTRASONICS SONOCHEMISTRY | 1999年 / 6卷 / 04期

关键词：

ethyl cyanocinnamate; knoevenagel condensation; ultrasound;

D O I：

10.1016/S1350-4177(99)00014-0

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Knoevenagel condensation of ethyl cyanoacetate with aromatic aldehydes catalyzed by pyridine results ethyl alpha-cyanocinnamates in 80-96% yields under ultrasound irradiation. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：199 / 201

页数：3

共 18 条

[1] SILICA-GEL FUNCTIONALIZED WITH AMINO-GROUPS AS A NEW CATALYST FOR KNOEVENAGEL CONDENSATION UNDER HETEROGENEOUS CATALYSIS CONDITIONS [J].

ANGELETTI, E ;

CANEPA, C ;

MARTINETTI, G ;

VENTURELLO, P .

TETRAHEDRON LETTERS, 1988, 29 (18) :2261-2264

[2] Convenient synthesis of alpha, alpha(1)-bis(substituted furfurylidene)cycloalkanones and chalcones under microwave irradiation. [J].

Babu, G ;

Perumal, PT .

SYNTHETIC COMMUNICATIONS, 1997, 27 (21) :3677-3682

[3] KNOEVENAGEL CONDENSATION IN THE HETEROGENEOUS PHASE USING ALPO4-AL2O3 AS A NEW CATALYST [J].

CABELLO, JA ;

CAMPELO, JM ;

GARCIA, A ;

LUNA, D ;

MARINAS, JM .

JOURNAL OF ORGANIC CHEMISTRY, 1984, 49 (26) :5195-5197

[4] CATALYSIS OF THE KNOEVENAGEL CONDENSATION [J].

CHALAIS, S ;

LASZLO, P ;

MATHY, A .

TETRAHEDRON LETTERS, 1985, 26 (37) :4453-4454

[5]

Dai G., 1995, CHIN J APPL CHEM, V12, P104

[6] ULTRASOUND-MEDIATED REARRANGEMENT OF BETA-IONONE TO 1,1,6-TRIMETHYL-1,2,3,4-TETRAHYDRONAPHTHALENE [J].

ESHUIS, JJW .

TETRAHEDRON LETTERS, 1994, 35 (42) :7833-7836

[7]

FARBENFABRIKEN BA, 1960, Patent No. 1087908

[8] Microwave enhanced knoevenagel condensation of ethyl cyanoacetate with aldehydes [J].

Kim, SY ;

Kwon, PS ;

Kwon, TW ;

Chung, SK ;

Chang, YT .

SYNTHETIC COMMUNICATIONS, 1997, 27 (04) :533-541

[9] The ultrasound promoted Knoevenagel condensation of aromatic aldehydes. [J].

McNulty, J ;

Steere, JA ;

Wolf, S .

TETRAHEDRON LETTERS, 1998, 39 (44) :8013-8016

[10]

OBA H, 1978, Patent No. 4184871

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