There is a plugin that claims to do (we haven't tried it ourselves) what you are looking for.
It is called Domain Mapping System. From the plugin's description:
"Domain Mapping System allows to map domains to WP pages and/or custom types."From the plugin's description:
"...Imagine you've got a company website based on wordpress with the domain www.mycompany.com, all good so far. Furthermore, you've got two products with own domains, e.g. www.myregularproduct.com and www.myspecialproduct.com...."
"Domain Mapping System allows to map domains to WP pages and/or custom types."
...Imagine you've got a company website based on wordpress with the domain www.mycompany.com, all good so far. Furthermore, you've got two products with own domains, e.g. www.myregularproduct.com and www.myspecialproduct.com....
In case you haven't figured a way yet, give it a try and let us know how it goes.