Inventor
LEE HSI L
8 patents
Patents
8 patentsUS4130713ADec 19, 1978
Biotin intermediates
HOFFMANN LA ROCHE13 citations73
US4284557AAug 18, 1981
Intermediate racemates for the preparation of biotin and a process for their preparation
HOFFMANN LA ROCHE2 citations62
US4247704AJan 27, 1981
Hexahydro thieno imadazole intermediates for the synthesis of biotin
HOFFMANN LA ROCHE3 citations62
US4245104AJan 13, 1981
Isoxazolines and isoxazolidines
HOFFMANN LA ROCHE2 citations62
US4189586AFeb 19, 1980
Preparation of biotin
HOFFMANN LA ROCHE4 citations62
US4382031AMay 3, 1983
Intermediates for the preparation of biotin
HOFFMANN LA ROCHE0 citations51
US4337345AJun 29, 1982
Preparation of biotin via thieno [3,2c] isoxazoles
HOFFMANN LA ROCHE1 citations51
US4320056AMar 16, 1982
Certain thia-diazatricyclo[3,3,3,08,11 ]tridecanes, and their preparation
HOFFMANN LA ROCHE1 citations51