Palladium-catalysed Carbonylation of Halogenoalkynes to Alkynylcarboxylic Acid Esters under Mild Conditions
โ Scribed by Ton T. Zung; Lev G. Bruk; Oleg N. Temkin; Aleksandr V. Malashkevich
- Book ID
- 111729656
- Publisher
- Royal Society of Chemistry
- Year
- 1995
- Tongue
- English
- Weight
- 91 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0959-9436
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๐ SIMILAR VOLUMES
## Abstract The reaction is performed under a balloon pressure of CO/air giving the corresponding carbonylated products (IV) and (VI) in good yields using air as the sole oxidant.
Allyllc carbonates undergo facile palladium-catalyzed decarboxylatloncarbonylatlon under mild conditions to give 6,-y-unsaturated esters in high yields using palladium-phosphlne complex as a catalyst.
Ph PCH CH C O NHC CH CH SO Li in waterrtoluene solution exhibits activity in the carbonylation of benzyl 2 2 2 3 2 2 3 ลฝ . bromide to benzeneacetic acid 87% yield at 1308C and 10 atm of CO. In a reaction carried out in waterralcohol solution, corresponding esters were obtained in yields dependent o