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6-[2-(5-Oxo-4-phenyl-2,2-dimethyl-l -imidazolidinyl)-2-phenyl-l-hydroxyethylimino] -3,3-dimethyl-7-oxo-4-thia-lαzabicyclo[3.2.0]heptane-2-carboxylic acid

✍ Scribed by Naseem Muhammad; David L. Mays

Book ID
112122927
Publisher
Journal of Heterocyclic Chemistry
Year
1973
Tongue
English
Weight
55 KB
Volume
10
Category
Article
ISSN
0022-152X

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📜 SIMILAR VOLUMES

Stereocontrolled total synthesis of the
Stereocontrolled total synthesis of the penicillanate ester (2S,5R)-benzyl 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylate
✍ Anthony G.M Barrett; Minn-Chang Cheng; Santi Sakdarat; Christopher D Spilling; S 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 140 KB

3R)-4-Acetoxy-3-trimethylsilyl-2-azetidinone, was converted into optically pure benzyl penicillanate in seven steps (22%) using (benzyloxy)nitromethane as a reagent for ring annulation.