Facile Synthesis of 4-Functionalized Cyclopentenones.
β Scribed by Sujit Kumar Ghorai; Nirmal Kumar Hazra; Dipakranjan Mal
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 21 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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## Summare An efflclent synthesis of 2-substituted cyclopentenones IS reported Key reactions are the cylopropanatlon of 2,2-dlmethyl-3(2H)-f uranone and subsequent conversion to the title compounds by oxldatlve fragmentation.
A general route to functionalized catechols is achieved by the reaction of 3,6-di(chloromethyl)-4,5dimethyl-catechol with various nucleophiles in the presence of a base. The reactions are proposed to occur by way of a dehydrochlorinated intermediate which undergoes Michael additions to give the cate