Reaction of aromatic amines and ethyl acetoacetate promoted by zeolite HSZ-360. Phosgene-free synthesis of symmetric diphenylureas

被引：38

作者：

Bigi, F ^{[1
]}

Maggi, R ^{[1
]}

Sartori, G ^{[1
]}

Zambonin, E ^{[1
]}

机构：

[1] Univ Parma, Dipartimento Chim Organ & Ind, I-43100 Parma, Italy

来源：

CHEMICAL COMMUNICATIONS | 1998年 / 04期

关键词：

D O I：

10.1039/a708019k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reaction of aromatic amines 1 with ethyl acetoacetate 2 in the presence of the commercially available acid zeolite HSZ-360 gives symmetric diphenylureas 3 in good yields and excellent selectivities.

引用

页码：513 / 514

页数：2

共 29 条

[21] SHELDON RA, 1992, CHEM IND-LONDON, P903
[22] Sheldon RA, 1997, CHEM IND-LONDON, P12
[23] Selective catalytic synthesis of fine chemicals: Opportunities and trends
Sheldon, RA
[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 1996, 107 (1-3) : 75 - 83
[24] RATIONALLY DESIGNED INORGANIC CATALYSTS FOR ENVIRONMENTALLY COMPATIBLE TECHNOLOGIES
THOMAS, JM
ZAMARAEV, KI
[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1994, 33 (03) : 308 - 311
[25] THOMAS JM, 1996, NEW J CHEM, V20
[26] VANBEKKUM H, 1989, RECL TRAV CHIM PAY B, V108, P283
[27] Vishnyakova T.P., 1985, RUSSIAN CHEM REV ENG, V54, P249, DOI [10.1070/RC1985v054n03ABEH003022, DOI 10.1070/RC1985V054N03ABEH003022]
[28] TAUTOMERISM AND CONFIGURATION OF ETHYL BETA ARYLAMINOCROTONATES
WERNER, W
[J]. TETRAHEDRON, 1971, 27 (09) : 1755 - &
[29] METHYLATION AND HYDROGENATION OF 2-ALKYL-QUINOL-4-ONE
WERNER, W
[J]. TETRAHEDRON, 1969, 25 (02) : 255 - &

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