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ChemInform Abstract: A New Entry to α-Alkylidene-β-lactams by 4-exo-Dig Cyclization of Carbamoyl Radicals.

✍ Scribed by Shin-ichi Fujiwara; Yoshihiko Shimizu; Yuji Imahori; Masashi Toyofuku; Tsutomu Shin-ike; Nobuaki Kambe

Publisher
John Wiley and Sons
Year
2009
Weight
29 KB
Volume
40
Category
Article
ISSN
0931-7597

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✍ Ana M. Gomez; Gerardo O. Danelon; Eduardo Moreno; Serafin Valverde; J. Cristobal 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 38 KB 👁 2 views

A Novel Entry to 5a-Carba-hexopyranoses from Carbohydrates Based on a 6-exo-dig Radical Cyclization: Synthesis of 5a-Carbaβ-D-mannopyranose Pentaacetate. -Mannose-derived diacetonide (VI) undergoes a 6-exo-dig radical cyclization to give highly functionalized cyclohexanes which are correlated with