反应详情

reacting the anhydrous calcium beta-alaninate with dl-pantolactone in methanol at a temperature of from about 55° to about 65° C. for from about 6 to about 9 hours and therafter cooling and filtering the reaction product and removing methanol to obtain dl-calcium pantothenate.

1. customof from about 55° to about 65° C.
2. customfor from about 6 to about 9 hours
3. filtrationtherafter cooling and filtering the reaction product
4. customremoving methanol