Ostopanic acid and ethyl 6-oxodocosa-2,4-dienoate were synthesized by a short route based on the palladium catalyzed isomerization of ynone and ynoic ester, respectively, using pent-4-ynal as a starting material. There $re variouf classes 04f natural products such as alcohols, 1 aldehydes, ketones,
Facile synthesis of (2E,4E)-dienoic esters via stereoselective isomerization of 2-ynoic esters
β Scribed by Dawei Ma; Xiyan Lu
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 103 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
β¦ Synopsis
2E,
4E
)-Dienoic esters were synthesized stereoselectively from the corresponding 2-ynoic esters in high yield under the catalysis of an iridium hydride or ruthenium hydride complex.
Recently, we reported the highly stereoselective
π SIMILAR VOLUMES
The rhodium(I)-catalysed sequential silylformylation/Wittig olefination of terminal alkynes with hydrosilanes and carbon monoxide in the presence of stabilised P-ylides leads to substituted 2,4-dienoic esters in a one-pot procedure. The
Ester-enolate Claisen rearrangement of 2-cycloalkenyl the biologically active RS,SR-diastereomers selectively.