## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Transformation of ERATO into a δW code
✍ Scribed by R. Gruber; F. Troyon; S. Rousset; W. Kerner; L.C. Bernard
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 386 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0010-4655
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## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract Treatment of glycopyranosyl phenyl sulfoxides 2ah, 1, 2bh, 1 with two equivalents of lithium diisopropylamide provides directly the __C__‐2‐lithiated glycal intermediates 3aAh, 1, 3bAh, 1 which, on reaction with formaldehyde as electrophile, furnish the 2‐hydroxymethyl derivatives 4ah,
Transformation of Penicillins into 3-Substituted ∆3-Cephems Through Addition/Cyclization of Allenecarboxylates. -A new synthesis of the title compounds (IV) is performed by a sequential addition/cyclization reaction of the allenecarboxylate (II) with heteroatom nucleophiles. In the absence of heter