Sodium Azide → 3-Dipropylamino-5-azidochroman

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Reaction Steps

3-Dipropylamino-5-aminochroman (Example 14; 0.050 g, 0.20 mmol) was diazotized according to the procedure of Example 15. After stirring for 15 minutes, sodium azide (0.026 g, 0.4 mmol) in water (1.0 ml) was added. After stirring at 5° C. overnight the solution was worked-up and purified according to the procedure of Example 15 to give the title compound. Mp 167°-168° C. (oxalate).

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