V. Nair et al., The reaction of cyclohexyl isocyanide and dimethyl acetylenedicarboxylate with o- and p-quinones: a novel synthesis of iminolactones, TETRAHEDR L, 41(34), 2000, pp. 6675-6679
The 1:1 intermediate generated by the addition of cyclohexyl isocyanide to
dimethyl acetylenedicarboxylate is trapped by quinones to yield iminolacton
es in good yields. (C) 2000 Published by Elsevier Science Ltd.