- Use of N-pivaloyl imidazole as protective reagent for sugars
[作者:Santoyo-Gonzalez, F; Uriel, C; Calvo-Asin, JA,期刊:Synthesis, 页码:1787-1792 , 文章类型: Article,,卷期:1998年-12]
- N-Pivaloyl imidazole was prepared and used as a selecttive protective reagent of different monosaccharides (D-glucose, D-mannose, D-galactose, 2-acetamido-2-deoxy-D-glucose and 2-acetamido-2-deoxy-beta-D-glucopyranosyl a...
- Total synthesis of (-)-gamma-lycorane using diastereoselective 5-endo-trig radical cyclization of N-vinylic alpha-halo amides
[作者:Ikeda, M; Ohtani, S; Sato, T; Ishibashi, H,期刊:Synthesis, 页码:1803-1806 , 文章类型: Article,,卷期:1998年-12]
- Bu3SnH-mediated radical cyclization of alpha-iodo-N-(6-oxocyclohex-1-enyl)-N-[(S)-1-phenylethyl]acetamide (6) proceeded in a 5-endo-trig manner with moderate diastereoselectivity to give (3aS,7aR)-octahydroindole-2,7-dio...
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