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Synthesis of spiro[pyrido[3,2-b][1,4]oxazin-2,2′-pyrans] based upon methyld-arabino-2-hexulopyranosonate

✍ Scribed by Jens Andersch; Dieter Sicker; Horst Wilde

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
123 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

The novel glycosyl donor 1, derived from methyl D-arabino.2-hextdopyranosoante, was transformed into glycoside 2, diastereoselectively. Catalytic hydrogenation of 2 and spontaneous reductive cyclization gave access to the spiro[pyridol3,2-bl[l,4loxazin-2,2'-pyrm~ i 3 and 4.

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