Synthesis of (−)-Neplanocin A from (R,R)-Tartaric Acid
✍ Scribed by Prof. Dr. Hans Jürgen Bestmann; Dipl.-Chem. Dieter Roth
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 254 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
The Alkylation of a Novel Acetal Derived from (2R,3R)-(+)-Tartaric Acid: An Unexpected Rearrangement. -Unexpected base-induced rearrangement of the chiral bis-acetal (IV) gives optically active dioxolane (V) accompanied by the two dioxanes (VI) and (VII). The product distribution depends on the equ
Synthesis of Dioxolanylclavam from Tartaric Acid. -(2 + 2) Cycloaddition of the 3-O-vinyl ether (I) derived from tartaric acid to chlorosulfonyl isocyanate (II) gives the 4-alkoxyazetidinone ( III) with good diastereoselectivity. Cyclization provides the clavam ( IV) missing the C-3 carboxylic funct