반응 #165712

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sulfur

dihydro-2H-pyran-4(3H)-one

pyrrolidine

cyanamide

p-toluenesulfonic acid monohydrate

→

title compound

6,7-dihydro-4H-pyrano[4,3-d]thiazol-2-amine

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실험 절차

Commercially available dihydro-2H-pyran-4(3H)-one (Aldrich), pyrrolidine (Aldrich), p-toluenesulfonic acid monohydrate (Aldrich) sulfur (Aldrich) and cyanamide (Aldrich) were processed using the method described in Example 240A to afford the title compound. MS (ESI+) m/z 157 (M+H)+.

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