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Synthesis of pyrimido[4,5-b]indoles and benzo[4,5]furo[2,3-d]pyrimidines via palladium-catalyzed intramolecular arylation

✍ Scribed by Yue-Mei Zhang; Thomas Razler; Paul F. Jackson

Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 305 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(02)02036-1

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✦ Synopsis

Various pyrimido[4,5-b]

indoles and benzo [4,5]furo [2,3-d]pyrimidines were synthesized via a palladium-catalyzed intramolecular arylation of pyrimidine substrates. Thus, 4-aryloxy-or 4-anilino-5-iodopyrimidines were treated with Pd(OAc) 2 (PPh 3 ) 2 and base in DMF to give the regioselective cyclized heterocycles.

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