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Dihydrothiophenes, part VIII. 2-Carbomethoxy-1,3-butadiene: a convenient synthesis of a stable precursor and a survey of its Diels-Alder reactions

✍ Scribed by McIntosh, John M.; Sieler, Robert A.


Book ID
115466494
Publisher
American Chemical Society
Year
1978
Tongue
English
Weight
337 KB
Volume
43
Category
Article
ISSN
0022-3263

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✍ Tietze, Lutz F. ;Utecht, Jens πŸ“‚ Article πŸ“… 1992 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 542 KB

Azabutadienes f Isoxazoles f Tetrahydropyridines 1 Diels-Alder reactions / Sequential transformations Condensation of aldehydes 1 ae with 5-amino-3-methylisoxazole (4) gives the corresponding imines 5a-e with a 2-aza-1,3-butadiene moiety, which cyclize selctively, e.g. 5a to form the trans-fused tet