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ChemInform Abstract: Synthesis of 2,3-Dihydro-3H-pyrano[2,3-f]-1,3-benzoxazines.

✍ Scribed by M. V. VOVK; A. V. BOL'BUT

Publisher
John Wiley and Sons
Year
2010
Weight
26 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

Synthesis of 2,3-Dihydro-3H-pyrano[2,3-f ]-1,3-benzoxazines. -The cyclocondensation of 7-hydroxycoumarins (I) with chlorocarbonylisocyanate (II) represents a facile way to the hitherto unknown angular pyranobenzoxazines (III). -(VOVK, M.

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