ISOCYANATES FROM PRIMARY AMINES AND CARBON-DIOXIDE - DEHYDRATION OF CARBAMATE ANIONS

被引:63
作者
WALDMAN, TE [1 ]
MCGHEE, WD [1 ]
机构
[1] MONSANTO CO,ST LOUIS,MO 63167
关键词
D O I
10.1039/c39940000957
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Carbamate anions, derived from primary amines CO2 and an added base (eg. NEt(3)), undergo rapid reaction with electrophilic 'dehydrating agents' (e.g. POCl3, P4O10) to give the corresponding isocyanates in excellent yields.
引用
收藏
页码:957 / 958
页数:2
相关论文
共 22 条
[1]   ALKALI-METAL-ASSISTED TRANSFER OF THE CARBAMATE GROUP FROM PHOSPHOCARBAMATES TO ALKYL-HALIDES - A NEW EASY WAY TO ALKALI-METAL CARBAMATES AND TO CARBAMATE ESTERS [J].
ARESTA, M ;
QUARANTA, E .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1992, (12) :1893-1899
[2]   FORMATION OF ALKYLURETHANES FROM CARBON-DIOXIDE BY REGIOSELECTIVE O-ALKYLATION OF ALKALI-METAL N,N-DIETHYLCARBAMATES IN THE PRESENCE OF COMPLEXING AGENTS [J].
BELFORTE, A ;
CALDERAZZO, F .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1989, (05) :1007-1009
[3]  
BOMBEK BD, 1992, J CHEM SOC CHEM COMM, P205
[4]  
BRUNEAU C, 1992, J MOL CATAL, V15, P97
[5]   RECHERCHES SUR LA FORMATION ET LES TRANSFORMATIONS DES ESTERS .5. SUR LA REACTIVITE DE LANHYDRIDE PHOSPHORIQUE [J].
CHERBULIEZ, E ;
LEBER, JP ;
SCHWARZ, M .
HELVETICA CHIMICA ACTA, 1953, 36 (05) :1189-1199
[6]  
COTTON FA, 1988, ADV INORG CHEM RAD, P400
[7]  
DIXNEUF PH, 1992, J MOL CATAL, V74, P97
[8]   RUTHENIUM-CATALYZED SYNTHESIS OF SYMMETRICAL N,N'-DIALKYLUREAS DIRECTLY FROM CARBON-DIOXIDE AND AMINES [J].
FOURNIER, J ;
BRUNEAU, C ;
DIXNEUF, PH ;
LECOLIER, S .
JOURNAL OF ORGANIC CHEMISTRY, 1991, 56 (14) :4456-4458
[9]  
KILNER M, 1992, J CATAL, V136, P403
[10]  
LEE SM, 1992, J MOL CATAL, V73, P43