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ChemInform Abstract: β-Lactams from Tetrahydro-1,2-oxazine-3,6-diones, and a Labeling Study of the Product Stereochemistry.

✍ Scribed by G. PROCTER; J. NALLY; N. H. R. ORDSMITH


Book ID
112029269
Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
27
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Stereochemical Issu
✍ A. MADRIGAL; M. GRANDE; C. AVENDANO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 2 views

Stereochemical Issues Related to the Synthesis of 7,10- 10,16,3':3,4]pyrazino[1,2-b]βcarboline-5,8-diones. -The condensation of iminoethers like (III) with anthranilic acid proceeds with inversion of the tryptophan stereocenter C-16a. Epimerization of the tryptophan center also occurs by acylation