Allylation of Exocyclic N-Acyliminium Ions Generated from Chiral N-[1-(Phenylsulfonyl)alkyl]oxazolidin-2-ones.
β Scribed by Enrico Marcantoni; Tiziana Mecozzi; Marino Petrini
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 41 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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β¦ Synopsis
Abstract
For Abstract see ChemInform Abstract in Full Text.
π SIMILAR VOLUMES
Photo-reactions of tetrazolo [1,5-a]pyrimidine (1) with benzene (2a) and substituted benzenes (2b-f) in the presence of trifluoroacetic acid (TFA) gave 2-(2-, 3-and 4-substituted anilino)pyrimidines (3-5) together with 2aminopyridine (6) and biphenyl (7) or diarylmethanes (8b, 8c and 8e). From the e
## Abstract The sodium salts of (__S__)βalanine, (__S__)βphenylalanine, (__S__)βvaline, and (__S__)βmethionine are condensed with pivalaldehyde to imines **5**. Cyclization by treatment with benzoyl chloride in cold CH~2~Cl~2~ gives mainly (4:1 to > 99:1) the (2__S__,4__S__)β4βalkylβ3βbenzoylβ2β(__