01372nas a2200253   4500008004100000022001400041245011500055210006900170260009800239300001200337490000700349520044200356653001500798653001400813653003900827653001200866653001200878653002700890653000900917100002200926700002800948700002100976856012100997       2010                        eng d  a0268-260500aDibutyltin oxide catalyzed aminolysis of oxalate to carbamate, oxamate and derivatives of imidazolidine trione0 aDibutyltin oxide catalyzed aminolysis of oxalate to carbamate ox  aTHE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLANDbJOHN WILEY & SONS LTDcMAY  a402-4070 v243 a<p>Catalytic aminolysis of oxalates by simple and substituted ureas has been shown to give carbamates, oxamates and derivatives of imidazolidine trione. Various substituted ureas and oxalates were screened to verify the applicability of the protocol. The role of dibutyltin oxide as catalyst, effect of solvent and reaction conditions on product distribution pattern has been discussed. Copyright (C) 2010 John Wiley &amp; Sons, Ltd.</p>10aAminolysis10acarbamate10aderivative of imidazolidine trione10aoxalate10aoxamate10atransfunctionalyzation10aUrea1 aKunde, Lalita, B.1 aKalyani, Vishwanath, S.1 aGupte, Sunil, P.  uhttps://library.ncl.res.in/content/dibutyltin-oxide-catalyzed-aminolysis-oxalate-carbamate-oxamate-and-derivatives-0