Stereoselective preparation of methyl (Z)-cinnamates by favorskii rearrangement
β Scribed by Thomas A Engler; Wolfgang Falter
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- French
- Weight
- 137 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0040-4039
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Highly stereoselective syntheses of (EL)-and (Z)-cx-substituted cinnamates have been achieved by dehydration reaction of anti-and syn-~x-substituted-~-hydroxyphenylpropionates with EDC in good yields. This facile method has been applied to the stereoselective syntheses of (E)~ and (Z)-~-alkylidene-y
## Abstract magnified image Lophine hydroperoxides underwent baseβtriggered 1,5βphenyl migration in DMSO to afford imidazolones in high yields, instead of amidines with chemiluminescence (CL). The corresponding imidazolols were believed to intermediates and they were successfully obtained by treati