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ChemInform Abstract: An Easy Access to Variously Substituted Thieno[2,3-b]pyrroles by Using Isothiocyanates.

โœ Scribed by Geoffroy Sommen; Alain Comel; Gilbert Kirsch

Publisher
John Wiley and Sons
Year
2010
Weight
35 KB
Volume
33
Category
Article
ISSN
0931-7597

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ChemInform Abstract: An Unusual and High
ChemInform Abstract: An Unusual and Highly Efficient Access to Thieno[2,3-b]-benzothiopyran Structures.
โœ Jean Boivin; Peter Boutillier; Samir Z. Zard ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 29 KB ๐Ÿ‘ 1 views

An Unusual and Highly Efficient Access to Thieno[2,3-b]benzothiopyran Structures. -A direct method was studied to transform the xanthates (III) to the benzothiepine system (V). However a novel base-induced domino cyclization gives dihydrothieno[2,3-b]benzothiopyran-4ones (IV) instead.