Reaction of Carbodiimides with trifluoromethanesulfonic acid View Full Text


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Article Info

DATE

2013-10

AUTHORS

L. L. Tolstikova, B. A. Shainyan, N. N. Chipanina

ABSTRACT

Carbodiimides RN=C=NR (R = i-Pr, c-C6H11, Ph) react with trifluoromethanesulfonic acid with successive formation of O-triflyl isoureas RNHC(OTf)=NR, the isomeric N-triflyl ureas RN(Tf)C(O)NHR, and symmetrically substituted ureas RNHC(O)NHR. Carbodiimide Me3SiN=C=NSiMe3 in the reaction with TfOH undergoes desilylation to afford ester CF3SO2OSiMe3 and unsubstituted carbodiimide (cyanamide), which gives the products of di- and trimerization and urea. More... »

PAGES

1853-1858

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070363213100095

DOI

http://dx.doi.org/10.1134/s1070363213100095

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1009274123


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