Journal
ORGANIC LETTERS
Volume 11, Issue 9, Pages 1899-1902Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol9003096
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- Ministry of Education, Culture, Sports, Science and Technology, Japan
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Hydroboration of aromatic and aliphatic alkynes with 1,8-naphthalenediaminatoborane ((dan)BH) proceeded in the presence of [IrCl(cod)](2) complex with a DPPM or DPEphos ligand, affording alkenylboronic acids whose boronyl groups are masked by the diaminonaphthalene group. The masked alkenylboronic acids thus obtained from alkynes bearing halo-substituted aryl groups served as new coupling modules in an iterative Suzuki-Miyaura cross-coupling reaction for the synthesis of oligo(phenylenevinylene)s.
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