The structure of the chromophore chromomyclnone was deduced as Indicated in the following scheme. Chromomrcin A3 1 CH3COOH, boil 2 hrs Chromomvcinone (CHR) UV same as chromomycin A5 :. Chromophore still intact. Chromomycinone No.34 m.p. 183-135', having a typical naphthoquinone UV spectrum, A",izH 2
โฆ LIBER โฆ
SmI2 cleavage of chromomycin A3 sugars
โ Scribed by Kimberly Musa Specht; Christina R Harris; Gary A Molander; Daniel Kahne
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 157 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
The CDE-trisaccharide of chromomycin A 3 was cleaved with samarium diiodide and converted to a protected glycal for coupling to an aglycone.
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