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A Convenient Method for Chemoselective O -Methylation of Hydroxypyridines

โœ Scribed by Adamczyk, Maciej; Johnson, Donald D.; Reddy, Rajarathnam E.

Book ID
126723597
Publisher
Taylor and Francis Group
Year
1999
Tongue
English
Weight
364 KB
Volume
29
Category
Article
ISSN
0039-7911

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โœ A.P. Bashall; J.F. Collins ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 110 KB

The methylenedioxy group occurs in m8ny natural products' and, in addition, has been suggested 8s a protecting group for catechols\*. However, synthetically, the methylenation of catechols [FIG l] h 8s never been easy and high yields difficult to obtain 3 .