Synthesis of the optically active α-nucleic acid base substituted propanoic acids
✍ Scribed by C.G. Overberger; Ji Young Chang
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 180 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
The (R)-2-(adenin-9-yl)propanoic acid 2 was prepared from adenine and (S)-ethyl lactate by using the triphenyl phosphine-diethyl azodicarboxylate system. The (R)-2-(thymin-l-yl)propanoic acid, (R)-2-(cytosin-l-yl)propanoic acid, and (R)-2-(hypoxanthin-9-yl)propanoic acid were also prepared.
📜 SIMILAR VOLUMES
Simple amino acids (1) can be converted in fair to good yield into hydrazino acids (3) of like configuration by using KOCI instead of NaOCl to promote the Shestakov rearrangement of the intermediate hydantoic acids (2). It was shown fifteen years ago by Karady et al.,' and later by Custafsson,' that
## Abstract The reaction of O‐menthyl phenylphosphonite **__1__** with aromatic aldehydes in the presence of Me~3~SiCl provided the O‐menthyl α‐hydroxyphosphinates **__2__**. Acidic hydrolysis of **__2__** gave the corresponding α‐hydroxyphosphinic acids **__3__**. The (+)‐enantiomer of **__3a__**