27-1-421. Compelling performance of successor in interest in title -- obligations respecting real property. Whenever an obligation in respect to real property would be specifically enforced against a particular person, the obligation may be in the same manner enforced against any other person claiming under the particular person by a title created subsequently to the obligation except a purchaser or encumbrancer in good faith and for value and except that any other person may be exonerated by conveying all of that person's estate to the person entitled to enforce the obligation.