A safe and efficient method for conversion of 1,2- and 1,3-diols to cyclic carbonates utilizing triphosgene
✍ Scribed by Robert M. Burk; Michael B. Roof
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- French
- Weight
- 188 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0040-4039
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## Abstract We present a general, practical, and efficient approach to 5‐ and 6‐membered organic carbonates by palladium‐catalyzed direct oxidative carbonylation of 1,2‐ and 1,3‐diols, respectively. Reactions were carried out at 100 °C in __N__,__N__‐dimethylacetamide as the solvent under 20 atm (a
## Abstract The reaction of Schiff bases or aldehydes with samarium diiodide in dry THF, followed by addition of triphosgene, gives substituted imidazolidin‐2‐ones and 4,5‐diaryl–1,3‐dioxolan‐2‐ones, respectively, in moderate to good yields under mild conditions. © 2003 Wiley Periodicals, Inc. Hete