Die Kristallstruktur des wasserfreien Ch
β
H. R. Oswald
π
Article
π
1961
π
John Wiley and Sons
π
German
β 328 KB
lactone acid in prisms, m.p. 238-239", [ u ] g = -68.4" (c = 0.48 in methanol). IR. spectrum see Fig. 3. Lactone ester X I b f r o m neoabietic acid: 20 mg of the above acid were methylated with diazoniethane (from 1 g of nitrosomethylurea) to yield 15 mg of the lactone ester, crystallising from et