ee r ' —i aoe a 2. Erosrem a. The ayutheais of the dye, Alinaria-C* ims been carried through the cold runs. A fms steps ip the aynthesis are being iuvestignuted witb tne view of improving the yialds. >. The synthesis of motrusals is at the eald run stagh. ¢. hp investigation ef the quamtitative amalysis of Sumaldshyde ari ef glyemlis anid is water Levestigation. This Levestigation bes an impartast bearing an the chemistry of pelesten ami of dimmmrel. 3. Sopnlsteds e. Vitemtia r (2-0-Vestayimephthquinane) labeled with prepared. nes been The yield ef purified canpound was 48. 4- for a. Miewo Syntheses with tracer Elements, IX]. The Synthesis of Thiamin — Labeled with CM, by 5. L. williams sri A. 2. Ronate. 5+ Meiiien n. Repert 667: “Micro Syntheses with “recer Elansste. IXVIII. The Syatheais of Nethyi=Nephthequinans (Vitesin {) Lebeled vith OM, ty irthor and Mgerey ITI, ami i. 2. Renato. DO AH. 7. Sebuire:: Qemma)Dewtias During thie reperting peried a eamsiderabls avout ef time was necessurily devoted to developmental verk, beth uith reapest to instruments and methods of ebalysis. Week on ureaniue prodlens was severely bempared wy the lack ef 4 Sepply ef wreatee-free asdium flucride. eapite teste ande au mmercus svuress af supply, it was inpeasible te ebtain sodium Cluerids ef the required purity. ss 6 result, ne sauples for wuoiun were eallested ty the Pleld Jestion. 00131125.015 1044530 LANL