𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Protonation and methylation of conformationally fixed 2-lithio-1,3-dithianes. Some reactions of remarkable stereoselectivity

✍ Scribed by Eliel, Ernest L.; Hartmann, Armando A.


Book ID
126948522
Publisher
American Chemical Society
Year
1971
Tongue
English
Weight
277 KB
Volume
93
Category
Article
ISSN
0002-7863

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Ring-Opening Reactions of 2-Lithio-1,3-d
✍ Prof. Dr. Helgard G. Raubenheimer; Prof. Dr. Ernst Otto Fischer; Priv.-Doz. Dr. πŸ“‚ Article πŸ“… 1981 πŸ› John Wiley and Sons 🌐 English βš– 219 KB πŸ‘ 1 views

the line-shape changes allow the detection of two different dynamic processes, which may be assigned to inhibited rotations about the partial C C and C N double bonds of the E-isomers (Scheme 2). Above ca. 0Β°C conversion into the isomer with Z-configurated CC double bond, which contains an intramol

The formation of open-chain thioesters i
✍ Barbara Gordillo; Zaira J. Domı́nguez; NoΓ© SΓ‘nchez; Ricardo GonzΓ‘lez; Magali Sal πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 French βš– 235 KB

The unexpected formation of open-chain thioesters (3) and ( 6) from the reaction of 2-lithio-r-2-t-4-t-6-trimethyl (1-Li) and 2-lithio-r-2-phenyl-t-4-t-6-dimethyl-1,3-dithiane (4-Li), respectively, with chlorodiphenylphosphane followed by oxidation was observed instead of the anticipated gem-derivat