A facile route to a novel aza-crown ether incorporating three thiophene moieties
โ Scribed by Joan Halfpenny; Phillip B Rooney; Zachary S Sloman
- Book ID
- 104210655
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- French
- Weight
- 100 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
โฆ Synopsis
The preparation of the ยฎrst of a novel type of large thiophene-containing aza-crown ether is reported. The macrocycle is synthesised by linking a 3,4-dialkoxythiophene moiety with two 3-hydroxythiophene units and ring closure is eected by reaction with piperazine via the Mannich reaction.
๐ SIMILAR VOLUMES
4-Arylhexahydrofuro[2,3-d]pyrimidin-2(3H)-ones 4-Arylhexahydro-1H-pyrano[2,3d]pyrimidin-2(8aH)-ones a b s t r a c t Antimony trichloride efficiently catalyses diastereoselective three-component reaction of urea, aromatic aldehydes and 2,3-dihydrofuran or 3,4-dihydro-2H-pyran leading to 4-arylhexahyd
## Abstract 4โSubstituted furanoโ and pyranopyrimidinones are prepared stereoselectively in high yields using a simple oneโpot procedure.