Preparation and cyclisation of ?-substituted ?-(phenylthio)cinnamic acids
β Scribed by Buggle, K.; Delahunty, J. J.; Philbin, E. M.; Ryan, N. D.
- Book ID
- 123608732
- Publisher
- The Royal Society of Chemistry
- Year
- 1971
- Tongue
- English
- Weight
- 466 KB
- Volume
- 0
- Category
- Article
- ISSN
- 0022-4952
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π SIMILAR VOLUMES
The reaction of substituted cinnamic alcohols with bis(sym-collidine)bromine(I) hexafluorophosphate was examined. In general no oxetane was obtained when a substituent was fixed on the carbon carbon double bond. However, oxetanes were formed in high yields when two substituents were present in a of
First-order hyperpolarizabilities (/3) of a series of p-substituted cinnamic acids have been measured using the hyper-Rayleigh scattering technique and compared with those of p-substituted benzoic acids./3 in these acids increases as a function of the donor strength. It increases twice with the incr
## 2-Nitro-2-phenylthio oniranes (3), prepared by nucleophilic epoxidation of I-nitro-I-phenyllhio alkenes (I), react with a v&y of heteroatomic nucleophiles to give a-substituted S-phenylthio esters (2). Of special note is the efficient reaction of 2-n&o-2-phenylthio oxiranes with boron trifruOride