34 OPTICAL ACTIVATION BY MEANS OF CATALYSTS. CREIGHTON 



4. By means of the stereochemical specific catalytic 

 influence of optically active bases, optically active brom- 

 camphors, as well as optically active bromcamphor-carboxylic 

 acids, have been prepared from inactive bromcamphor-car- 

 boxylic acid. 



5. In conclusion the specificity of catalysts has been 

 discussed. 



Laboratorium fur electro und physikalische Chemie, 

 Eidg-enossisches Technischen Hochschule, 

 Zurich, Switzerland, July, 1911. 



