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ChemicalBook CAS DataBase List 1,8-DIAZABICYCLO[5.4.0]UNDEC-7-ENE, COMPOUND WITH P-TOLUENESULFONIC ACID (1:1)
51376-18-2

1,8-DIAZABICYCLO[5.4.0]UNDEC-7-ENE, COMPOUND WITH P-TOLUENESULFONIC ACID (1:1) synthesis

1synthesis methods
-

Yield:51376-18-2 81%

Reaction Conditions:

in diethyl ether; for 1 h;Inert atmosphere;

Steps:

8

Example 8 (TsOH/DBU 1:1-m)A flame dried flask was charged with TsOH (1.0 g, 5.81 mmol), ether (20 mL) and a stirbar under dry nitrogen atmosphere. To the stirred solution, DBU (0.88 g, 5.81 mmol) was added. Instantly, a white precipitate formed and stirring was continued for 1 hour. The precipitate, 1.5 g (81%) of white salt, was then washed with excess ether and isolated by decantation. The salt was then dried under high vacuum.

References:

US2012/46437,2012,A1 Location in patent:Page/Page column 16

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