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Ring opening of strained-ring heterocycles containing nitrogen by an osmium cluster complex

✍ Scribed by Adams, Richard D.; Chen, Gong

Book ID
126465240
Publisher
American Chemical Society
Year
1992
Tongue
English
Weight
273 KB
Volume
11
Category
Article
ISSN
0276-7333

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The ring-opening reaction of pyridinium salts dates back over a century to the pioneering work of Zincke and KΓΆnig. [1] Activation of pyridines as their pyridinium salts renders the heterocycle electrophilic at the 2-and 4-positions and enables a diverse range of productive chemistry, with or withou