Synthesis of (3aS,4aS,6aR)-2-oxo-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-4-yl acetate, as a key synthon in approaches to (–)-galiellalactone
- Autores: Gimazetdinov A.M.1, Zagitov V.V.1, Makaev Z.R.1, Miftakhov M.S.1
 - 
							Afiliações: 
							
- Ufa Institute of Chemistry UFRS RAS
 
 - Edição: Volume 61, Nº 2 (2025)
 - Páginas: 167-171
 - Seção: Articles
 - URL: https://clinpractice.ru/0514-7492/article/view/684320
 - DOI: https://doi.org/10.31857/S0514749225020062
 - EDN: https://elibrary.ru/DGQXMT
 - ID: 684320
 
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Resumo
The synthesis of bicyclic allyl acetate 2, a promising precursor of (-)-galileolactone 1, is described. The approach is based on the separation of diastereomeric carboxamides obtained by amidation of racemic gem-dichloro-substituted Grieco lactone with (+)-α-methylbenzylamine. Subsequent steps of transformation of an individual diastereomer include reactions of complete reductive dechlorination, construction of an allyl alcohol fragment in the ring part by stereo- and regiospecific bromohydroxylylation with NBS in aqueous THF, and dehydrobromination.
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Sobre autores
A. Gimazetdinov
Ufa Institute of Chemistry UFRS RAS
							Autor responsável pela correspondência
							Email: gimazetdinov@anrb.ru
				                	ORCID ID: 0000-0002-8539-3442
				                																			                												                	Rússia, 							prosp. Oktyabrya, 71, Ufa, 450054						
V. Zagitov
Ufa Institute of Chemistry UFRS RAS
														Email: gimazetdinov@anrb.ru
				                					                																			                												                	Rússia, 							prosp. Oktyabrya, 71, Ufa, 450054						
Z. Makaev
Ufa Institute of Chemistry UFRS RAS
														Email: gimazetdinov@anrb.ru
				                	ORCID ID: 0000-0002-0958-3164
				                																			                												                	Rússia, 							prosp. Oktyabrya, 71, Ufa, 450054						
M. Miftakhov
Ufa Institute of Chemistry UFRS RAS
														Email: gimazetdinov@anrb.ru
				                					                																			                												                	Rússia, 							prosp. Oktyabrya, 71, Ufa, 450054						
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