29174-66-1Relevant articles and documents
Synthesis of new benzo[b]thieno fused ring systems via transition metal-mediated cyclisations
Mbere, Johana M.,Bremner, John B.,Skelton, Brian W.,White, Allan H.
, p. 6895 - 6900 (2011)
The compact synthesis of a new ring fused benzo[b]thieno derivative with an embedded nine-membered ring system via ring closing metathesis methodology is described. The preparation of the novel 11H-benzo[b]thieno[2,3-c]pyrrolo[2,3-a] indol-11-one via palladium-mediated oxidative cyclisation of benzo[b]thien-2-oyl indole derivatives is also reported.
Synthesis of novel chiral thiophene-, benzothiophene- and benzofuran-oxazoline ligands and their use in the enantioselective Pd-catalyzed allylation
Tietze, Lutz F.,Lohmann, J. Klaas
, p. 2083 - 2085 (2007/10/03)
Novel thiophene, benzothiophene and benzofuran-oxazoline ligands 6-11 containing a diphenylphosphino group at different positions of the heterocyclic skeleton have been prepared and used in the enantioselective allylation. The advantage of these new ligands is their easy accessibility and their high reactivity. The best results were obtained with ligand 9 to give the product 13 in 97.0% ee with 92% yield in 2 hours at 0°C.
An Improved Synthesis of Thiophene-2,3-dicarboxylic Acid by Sequential Carboxylation
Reinecke, Manfred G.,Newsom, James G.,Almqvist, K. Anders
, p. 327 - 329 (2007/10/02)
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