Provided are polymorphic forms of compound 5 or 5, or mixtures thereof, and polymorph forms of compound 14 or 14, or mixtures thereof. Also provided are methods of preparing compound 5 or 5, or mixtures thereof, and methods of preparing compound of 14 or 14, or mixtures thereof, which are useful as antifungal agents. In particular, provided is new methodology for preparing polymorphs of the compounds described and substituted derivatives thereof.