Journal of Organic Chemistry p. 7353 - 7357 (1994)
Update date:2022-09-26
Topics:
Kuroda, Tooru
Takahashi, Masami
Ogiku, Tsuyoshi
Ohmizu, Hiroshi
Nishitani, Takashi
et al.
The heterocyclic analogs 5a-f, 16, and 20 of 1-arylnaphthalene lignans were synthesized by Diels-Alder reactions of acetoxy aldehydes 11a-f, 14, and 18 with dimethyl acetylenedicarboxylate.A pathway for formation of 5a-f, 16, and 20 through the intermediacy of heteroaromatic isobenzofurans derived from acetoxy aldehydes is discussed.
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