Synthesis Of 2-Ureido-1-Ethoxy-Carbonylcycloalkenes
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Zav'yalov, S. I.,Zavozin, A. G.,Kulikova, L. B.
p. 787 - 788
(2007/10/02)
REACTIONS OF ISOCYANATES WITH ETHYL 2-AMINO-1-CYCLOPENTENE-1-CARBOXYLATE
Aromatic isocyanates react with ethyl 2-amino-1-cyclopentene-1-carboxylate to yield the corresponding ureas, which cyclize by base to 3-substituted 6,7-dihydro 1H-cyclopentapyrimidine-2,4(3H,5H)-diones.
Jensen, Else Marie,Papadopulos, Eleftherios Paul
p. 2233 - 2235
(2007/10/02)
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