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ChemicalBook CAS DataBase List 2-Chlorobenzoxazole
615-18-9

2-Chlorobenzoxazole synthesis

7synthesis methods
-

Yield:615-18-9 90%

Reaction Conditions:

with chlorine

Steps:

5 EXAMPLE 5
EXAMPLE 5 Example 1 is repeated, except that 2-chlorobenzoxazole is initially introduced, a temperature range of 20°-40° C. is used from the start, 830 g of 2-mercaptobenzoxazole are added and 586 g of chlorine are passed in. About 910 g of 2-chlorobenzoxazole are obtained after distillation under a water-jet vacuum at 107° C. Traces of ring-chlorinated product can be detected in the distillation residue. Yield: 90% of theory.

References:

Cassella Aktiengesellschaft US4517370, 1985, A

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