A process for preparing alkaline earth metal mercaptides, useful as {TAIL ~ synergists} for organotin stabilizers in halogen containing resins such as polyvinyl chloride, the process comprising preparing {HEAD ~ an alkaline earth metal} alkoxide by reacting the metal oxide or hydroxide with an alcohol and then reacting the alkoxide with a mercaptan to provide the corresponding alkaline earth metal mercaptide, preferably while removing water from the reaction mixtures throughout the process 
A process for preparing alkaline earth metal mercaptides , useful as { TAIL ~ synergists } for organotin stabilizers in halogen containing resins such as polyvinyl chloride , the process comprising preparing { HEAD ~ an alkaline earth metal } alkoxide by reacting the metal oxide or hydroxide with an alcohol and then reacting the alkoxide with a mercaptan to provide the corresponding alkaline earth metal mercaptide , preferably while removing water from the reaction mixtures throughout the process
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