๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A new route to homochiral trans-disubstituted cyclopentanes

โœ Scribed by Samuel G. Levine; Mary Pat Bonner


Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
220 KB
Volume
30
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

โœฆ Synopsis


Asymmetric epoxidation of cyano-substituted allylic alcohols gave epoxides of high optical purity.

Subsequent base-promoted cyclization produced diastereomerically pure cyclopentane derivatives in moderate yield.


๐Ÿ“œ SIMILAR VOLUMES


A New Route to 1,1-Disubstituted Cyclopr
โœ Doz. Dr. J. Gosselck; Dipl.-Chem. G. Schmidt ๐Ÿ“‚ Article ๐Ÿ“… 1968 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 211 KB ๐Ÿ‘ 2 views

polar additions or substitutions [71 induced us t o test the wider use of organotin deuterides for deuteration. Using powerful catalysts such as Raney nickel, palladium, platinum [El, or anhydrous ZnClz (91, we obtained both Cdeuterated and C,U-bisdeuterated alcohols smoothly from organotin deuteri

A facile route to homochiral sulfoxides
โœ Kevin Burgess; Ian Henderson ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 214 KB

Biocatalytic resolutions of methyl sulfinylacetates afford sulfoxides (R)-(l) -( ) in very high optical yields: the products have been used in a systematic study of the "SPAC" reaction, an asymmetric synthesis of y-hydroxy-o$unsaturated esters.

An enantioselective route to trans-2,6-d
โœ Samuel Chackalamannil; Yuguang Wang ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 390 KB

The synthesis of (S)-2-methyl tetrahydropyridine-N-oxide (4), a key intermediate for the enantioselective construction of trans-2,6-disubsdtuted piperidines via [3+2] nitrone cycloaddition reaction, is described. Nitrone 4 was elaborated to the fire ant venom alkaloid (+)-solenopsin-A (2) via interm

A simple route to cyclopentane annulatio
โœ Sambasivarao Kotha; Enugurthi Brahmachary; Rallapalli Sivakumar; Arul Joseph; Na ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 163 KB

We have developed a simple method for cyclopentane annulation using inexpensive reagents which is useful for the synthesis of polyquinane systems.