2009年1月
SYNTHESIS OF [POLY(2-PYRIDYL)-SUBSTITUTED]-1-AZAAZULENES
HETEROCYCLES
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- 巻
- 77
- 号
- 1
- 開始ページ
- 565
- 終了ページ
- 574
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.3987/COM-08-S(F)8
- 出版者・発行元
- PERGAMON-ELSEVIER SCIENCE LTD
2-(2-Pyridyl)-1-azaazulenes were derived from 2-bromo- or 2-iodo-1-azaazulenes and 3-(2-pyridyl)-1-azaazulenes were derived from 3-iodo-1-azaazulenes by Suzuki coupling. Reaction of 3-iodo-1-azaazulenes with B(NPDEA) gave corresponding 3-(2-pyridyl)-1-azaazulenes together with 3-borylated-2-chloor-1-azaazulene (9a) or 3,3'-bi(2-methoxy-1-azaazulene) (10b). Reactions of 8-(2-pyridyl)-1-azaazulene with 2-pyridyllithium gave 4,8-di(2-pyridyl)- and 6,8-di(2-pyridyl)-1-azaazulenes. Reactions of 4,8-di(2-pyridyl)-1-azaazulene with 2-pyridyl lithium gave 4,6,8-tri(2-pyridyl)-1-azaazulene. The reactivity of the seven-menbered ring is C8 > C6 > C4. Reaction of 3-(2-pyridyl)-1-azaazulenes with 2-pyridyllithium gave 3,4-di(2-pyridyl)- and 3,8-di(2-pyridyl)-1-azaazulenes.
- リンク情報
- ID情報
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- DOI : 10.3987/COM-08-S(F)8
- ISSN : 0385-5414
- Web of Science ID : WOS:000263374600051