
Tetrahedron Letters p. 7061 - 7064 (1989)
Update date:2022-07-29
Topics:
Brouillard-Poichet
Defoin
Streith
N-acylnitroso derivatives of L-proline were formed in situ from the corresponding hydroxamic acids. They reacted easily with 1,3-cyclohexadiene to give the corresponding diastereoisomeric pairs of Diels-Alder cycloadducts with d.e. values ranging from 52 to 68%.
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