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β-Lactams from ester enolates and N-TMSimines: Enantioselective synthesis of (6R, 7S)-1β-3-dimethyl-3-isocephem

✍ Scribed by Gianfranco Cainelli; Mauro Panunzio; Elisa Bandini; Giorgio Martelli; Giuseppe Spunta; Marco Da Col


Book ID
107857772
Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
418 KB
Volume
51
Category
Article
ISSN
0040-4020

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Synthesis and [4+2] Cycloaddition of (2R
✍ Anna M. Piątek; Agnieszka Chojnacka; Christian Chapuis; Janusz Jurczak 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 German ⚖ 167 KB

## Abstract The now corrected X‐ray structure of (2__R__)‐bornane‐10,2‐sultam ((−)‐**1a**), as well as that of its already published __N__‐crotonoyl derivative (−)‐**1d**, were compared with those of the newly synthesized (2__R__)‐fenchane‐8,2‐sultam ((+)‐**5a**), as well as its __N__‐crotonoyl der