@article{39b092624e9e4f439b1dab4b556eef00,
title = "Osmapyridine and Osmapyridinium from a formal [4+2] cycloaddition reaction",
abstract = "Metalla-cycloaddition: An unprecedented formal [4+2] cycloaddition reaction takes place when osmium hydrido alkenylcarbyne 1 reacts with acetonitrile to afford the first metallapyridinium complex 2 in high yield (see scheme). Deprotonation of 2 gives the first osmapyridine compound 3. Treatment of 3 with HBF4 can regenerate 2 in almost quantitative yield.",
keywords = "Aromaticity, Cycloaddition, Metallacycles, Osmium, Paramagnetism",
author = "Bin Liu and Huijuan Wang and Hujun Xie and Birong Zeng and Jinxiang Chen and Jun Tao and Wen, {Ting Bin} and Zexing Cao and Haiping Xia",
year = "2009",
month = jul,
day = "13",
doi = "10.1002/anie.200900998",
language = "English",
volume = "48",
pages = "5430--5434",
journal = "Angewandte Chemie - International Edition",
issn = "1433-7851",
publisher = "John Wiley and Sons Ltd",
number = "30",
}