ABSTRACT Four previously reported tricyclic alcohols containing seven-membered central B-rings, 5-phenyl-10, 11-dihydro-5H-dibenzo [a, d] cyclohepten-5-ol, 5-phenyl-5H-dibenzo [a, d] cyclohepten-5-ol, 11-phenyl-6, 11-dihydrodibenzo [b, e] oxepin-11-ol and 11-phenyl-6, 11-dihydrodibenzo [b, e] thiepin-11-ol have been synthesized and their solvent enclathration (inclusion) properties investigated and compared by using 1H-NMR and differential ...