
Tetrahedron p. 6511 - 6518 (1989)
Update date:2022-07-31
Topics:
Stolle, W. A. W.
Marcelis, A. T. M.
Koetsier, A.
Plas, H. C. van der
2-(2-Trimethylsilylethynylphenyl-X)-pyrimidines (2, X=O, S, NAc, CH2, CO) easily undergo intramolecular Diels-Alder reaction with inverse electron demand, to give tricyclic annelated pyridines in excellent yields.The synthesis of 2 and the cycloaddition r
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(1990)