DL-Willardiine mustard

DL-Willardiine mustard 111 and a number of inter- mediates mere screened by the Cancer Chemotherapy. Sational Service Center (CCKSC) for antitumor act...
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1)L-Willardiine Mustard1

.I tiilrogeii tiiri>tard ( I l r J hw beeii Yyiithecized from iiL-willardiiiic. Thi, was iiiirated, tlieii lhe a-aiiiiiio a i i c 1 C:UI)OSJ-I groiips were protected by phthaloylatiou atid e.+xificatioil. Cntalytical hydrogeiiat,ioii iti x solvetit, i,iitilaiiiiiig hydrogel1 chloride mmothly converted the iiit,ro compouiid i o ti arnirie. Hpdroxyethylatiori, chloi.iiiat ioti, aiid stepwi*e removal of the N-phthaloyl atid ethyl est,er groups afforded the DL-willardiiiie miistard 111. Seither I11 iior its ethyl ehter exhibited any significant activit,y agaitist Walker caroinosarcoina 256 (s:rtbcritaner i i i i ) iti rat