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N;N;N';N'-Tetraformylhydrazine (3) can be pepared in good yields by heating of N;N'-diformylhydrazine (5) with N;N-diformylacetamide (6). The reaction of methanesulfonyl chloride with sodium diformamide (10) in a molar ratio of 2 : 5 in acetonitrile affords tris(diformylamino)methane (formyl-aalen, 2). Both reactions were used to prepare 3 and 2 in large quantities (ca. 200 to 400 g). A mechanism is proposed for the formation of 2 from methanesulfonyl chloride and 10.

zeitschrift für naturforschung b

Orthoamide und Iminiumsalze, LXXXV [1]. Die Synthese von starken Formylierungsmitteln im präparativen Großmaßstab: N,N,N',N'- Tetraformylhydrazin und Formyl-aalen [Tris(diformylamino)methan] / Orthoamides and Iminium Salts LXXXV [1]. The Synthesis of Strong Formylating Reagents on a Large Preparative Scale: N;N;N';N'-Tetraformylhydrazine and Formyl-aalen [Tris(diformylamino)methane]