References
- Lespagnol , C. 1960 . Bull. Soc Chin. Fr. , : 110
- Trahanovsky , W. S. , Ong , C. C. and Lawson , J. A. 1968 . J. Amer Chem. Soc. , 90 : 2839
- For example, we were unable to obtain the NMR spectrum of the oxalate (I) in CDCI3. Presumably, the traces of add present in chat solvent catalyzed the rapid decomposition of the oxalate. The spectrum could be obtained in acid-free benzene-d−6
- Staab , H. A. 1962 . Angew. Chem. Int. Ed. Engl. , 1 ( 7 ) : 355 and references cited therein
- American Cyanamid Co. . Math. Appl. 6,612,653 (C1. C 09c) . March, 1967 . U. S. Appl. 8,23,30 Sept., 1965, Jan., 1966, and May, 1966; Chem. Abstr., 68, 21847a (1968). No experimental details or physical pro-parties ware given for the imidaxolide(II)
- Linnemann , E. 1865 . Ann. Chem , 133 : 23
- We were unable to obtain a satisfactory analysis for the imidazolide (II), due to its hygroscopic nature
- Brauda , E. A. and Coles , J. A. 1952 . J. Chem. Soc , : 2014