Tetrahedron Letters p. 677 - 680 (1983)
Update date:2022-07-29
Topics:
Attah-Poku, Samuel K.
Gallacher, Gerard
Ng, Ang Ser
Taylor, Lorne E.B.
Alward, Sandra J.
Fallis, Alex G.
The intamolecular Diels-Alder reactivity of a series of methyl 5-(spiro<2.4>hepta-4.6-dien-1-yl)-2-pentenoates is described.A sidechain oxygen substituent is essential for cyclization and the 1H nmr chemical shift of the β-dienophilic hydrogen provides a useful diagnostic guide to their cycloaddition potential.
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(1983)
