Canadian Journal of Chemistry

The effect of Lewis acids on the intramolecular Diels-Alder reaction of the furan diene

C Rogers, BA Keay

文献索引：Oppolzer,W.; Andres,H. Tetrahedron Letters, 1978 , p. 3397 - 3400

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被引用次数: 48

摘要

... shift of the C-7 methyl doublet (6 0.93) due to the anisotropy of the C - w - 1 0 ... was added dropwise to the cooled solution by syringe, and the reaction was stirred for 1 h at -78OC. The a,P-unsaturated aldehyde was dis- tilled from Na2S0, under Ar, and was added neat (1.5 mmol ...