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Aza Diels—Alder Reactions Utilizing 4-Iodo-2-trimethylsilyloxy-butadiene.

✍ Scribed by Cody Timmons; Adiseshu Kattuboina; Lauren McPherson; James Mills; Guigen Li

Publisher
John Wiley and Sons
Year
2006
Weight
22 KB
Volume
37
Category
Article
ISSN
0931-7597

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Inter- and intramolecular hetero diels-a
Inter- and intramolecular hetero diels-alder reactions, 41. Unusual stereocontrol in intramolecular hetero diels-alder reactions of 2-Aza-1,3-butadienes. A stereoselective sequential synthesis of annulated tetrahydropyridines
✍ Tietze, Lutz F. ;Utecht, Jens 📂 Article 📅 1992 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 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