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ChemInform Abstract: Synthesis of Optically Active Spiro-β-Lactams by Cycloadditions to α-Alkylidene-β-Lactams.

✍ Scribed by S. ANKLAM; J. LIEBSCHER

Publisher
John Wiley and Sons
Year
2010
Weight
39 KB
Volume
29
Category
Article
ISSN
0931-7597

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ChemInform Abstract: 1,3-Cycloadditions
ChemInform Abstract: 1,3-Cycloadditions to Highly Substituted, Strained Double Bonds: Spiro- β-lactams from α-Methylidene-β-lactams by Reactions with Diphenylnitrilimine, Acetonitrile Oxide, Nitrones, and Diazomethane.
✍ A. STRAUSS; H.-H. OTTO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB

Spiroβ-lactams from α-Methylidene-β-lactams by Reactions with Diphenylnitrilimine, Acetonitrile Oxide, Nitrones, and Diazomethane. -Starting with the lactams (I) some β-lactams with a spiro(3,4) structure are synthesized by the title 1,3-cycloadditions. In the case of (Ia) the reaction gives the sa