111. Subject to the provisions of the Civil Code regarding hypothecs and the provisions of Division IV of this chapter regarding priority rules, an action based on an adverse claim to a security entitlement or the financial asset to which an entitlement holder has a security entitlement, however framed, may not be brought against a purchaser of the security entitlement who purchased the security entitlement from the entitlement holder if the purchaser is a protected purchaser or if such an action could not have been brought against the entitlement holder under section 110.