Tetrahedron Letters p. 3295 - 3298 (1989)
Update date:2022-08-02
Topics:
Menezes, Royce F.
Zezza, Charles A.
Sheu, Jennline
Smith, Michael B.
Conversion of L-glutamic acid to S-ethyl pyroglutamate allows reaction with α,β-unsaturated aldehydes to give the N-dienyl derivative.The resulting dienyl pyroglutamates are new asymmetric dienes which show excellent diastereoselectivity in the Diels-Alder reaction with electron deficient alkenes.
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