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Reaction of alkenynylamines with 2-aminoresorcinol as a method for the synthesis of 2-(2-alkenyl)-4-hydroxybenzoxazoles

✍ Scribed by M. V. Kormer; S. E. Tolchinskii; I. A. Maretina


Book ID
104781668
Publisher
Springer US
Year
1992
Tongue
English
Weight
175 KB
Volume
28
Category
Article
ISSN
0009-3122

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4-(2%-Alkenyl)-2,5-dihydrofurans can be efficiently synthesized via the PdCl 2 -catalyzed coupling-cyclization of allylic halides with 2,3-allenols in DMA at rt in moderate to good yields. The regioselectivity is different from that of the Pd(0)-catalyzed coupling-cyclization of organic halides with