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5-CYANO-2H-PYRAN-2-ONE synthesis

2synthesis methods
23090-18-8 Synthesis
2-OXO-2H-PYRAN-5-CARBONYL CHLORIDE

23090-18-8
11 suppliers
$134.31/250mgs:

5-CYANO-2H-PYRAN-2-ONE

129660-12-4
14 suppliers
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Yield:129660-12-4 51%

Reaction Conditions:

with SULFAMIDE1a) 120 deg C, 1b) 119-120 deg C, 3h;

References:

Kvita;Sauter [Helvetica Chimica Acta,1990,vol. 73,# 4,p. 883 - 889]