Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... An efficient synthetic pathway for the preparation of the vitamers of biotin which provides easy access to optically pure KAPA as well as diastereomeric mixtures of DAPA, DTB, and analogs thereof has been developed. ... Cookies are used by this site. To decline or learn more, visit our ...
