Interconversions of Carbonic Acid Derivatives via Heterocumulenes as Intermediates

3 Interconversions of Carbonic Acid Derivatives via Heterocumulenes as Intermediates 

8 Carbonic Acid Derivatives and Heterocumulenes and Their Interconversion 

Hanford, J. C Sauer, Preparation of Ketenes and Ketene Dimers, Org. React. 1946, 3, 108-140. H. R. Seikaly, T. T. Tidwell, Addition Reactions of Ketenes, Tetrahedron 1986, 42, 2587. 

Ulrich, Chemistry and Technology of Isocyanates, Wiley, Chichester, U. K., 1996. 

V Vovk, L. I. Samarsi, N-Functionalized carbodiimides, Russ. Chem. Rev 1992, 61, 297-305. 

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