Synthesis of oxazolidine derivatives of β-[3-(aryloxy)aryl]-α-amino acids by application of the diels-alder reaction
✍ Scribed by Richard K. Olsen; Xianqi Feng
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- French
- Weight
- 296 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0040-4039
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## Abstract Derivatives 7–10 and 13–16 of methyl and ethyl 2‐azabicyclo[2.2.1]heptane‐3‐carboxylates are synthesized by Aza‐Diels‐Alder reactions of chiral iminium ions, formed in situ from glyoxylic acid and chiral amines, with cyclopentadiene. Whereas the heterodienophiles derived from phenylglyc
Attempts have been made on trifluoroacelJc acid catalysed Diels-Alder reaction of furan, 2,5-dimethylfuran and 2,5-diphenylfuran with ,8-ferroccnyl-a-enones. No Diels-Alder products were isolated or detected but products from the FriedeI-Crafls fl-alkylation of furan ring were prepared in some cases