The photochemical conversion of acetals to carboxylic esters
✍ Scribed by Dov Elad; Raymond D. Youssefyeh
- Publisher
- Elsevier Science
- Year
- 1963
- Tongue
- French
- Weight
- 107 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The combined use of high concentration conditions, auxiliary bases, and new catalysts allows for the rapid synthesis of sterically hindered carboxylic acid esters at room temperature. Mechanistic analysis indicates the intermediate formation of acid anhydrides and subsequent rate‐limiti
## Abstract Aziridine‐2‐carboxylic esters 1 were converted into 2__H__‐azirine‐2‐carboxylic esters 4 in two steps. Treatment of 1 with __tert__‐butyl hypochlorite in ether gave smooth __N__‐chlorination. Reaction of __N__‐chloroaziridines 2 with 1,8‐diazabicyclo[5.4.0]undec‐7‐ene (DBU) or 1,4‐diaza
Primaq caxttoxamides are ammted into the corresponding alkyl carboxylates by treatment with dimethylformamide dimethylacetal in the appropriate alcohol at 25-45 "C. Yields are very good to excellent.