77767-25-0Relevant articles and documents
Cycloaddition Reactions of Heterocumulenes, XXI.-- and -Adducts from Isocyanates and 3-Dimethylamino-2H-azirines
Schaumann, Ernst,Grabley, Susanne,Adiwidjaja, Gunadi
, p. 264 - 276 (2007/10/02)
The alkyl isocyanates 1a and b react with the aminoazirines 2a and b, respectively, to give -adducts, the spiro structure of which is established by the X-ray structural investigation on 6a.In contract, the sterically hindered isocyanates 1c and 2b y