You could implement your own remove_pointer
(from cppreference.com):
template< class T > struct remove_pointer {typedef T type;};
template< class T > struct remove_pointer<T*> {typedef T type;};
template< class T > struct remove_pointer<T* const> {typedef T type;};
template< class T > struct remove_pointer<T* volatile> {typedef T type;};
template< class T > struct remove_pointer<T* const volatile> {typedef T type;};
Then do typename remove_pointer<Container::value_type>::type
.