Dehydroperillic Acid, an Acid from Western Red Cedar (Thuja Plicata Don)University of Wisconsin--Madison, 1933 - 3819 pàgines |
Frases i termes més freqüents
1933 DEHYDROPERILLIC ACID acetaldehyde acetic acid solution ACID FROM WESTERN acidified with dilute alkaline solution amyl alcohol Anal barium hydroxide Calcd carbon atoms carbon dioxide chloroform colorless liquid compound C10H12O2 containing three double crystalline substance Cuminic Acid p-Isopropylbenzoic dark red precipitate decolorize dehydrogeranic acid dioxide and probably empirical formula ester ethyl acetate ethyl or amyl filtered filtration Forest Products Laboratory formaldehyde formic acid fraction distilling gave no depression H&C CH2 hexahydrocuminic acid hydrochloric acid hydrolysis hydrolyzed isolated from western isomer of hexahydrocuminic isomeric compound liquid isomer liquid that remained Madison malonic acid melting point methyl methyl ester odor oxalic acid ozonide prepared p-nitrophenylhydrazine was added Penfold and Simonsen point when mixed produced no depression Purification red cedar heartwood reduced pressure sawdust Sherrard solidified solution in flask solution of p-nitrophenylhydrazine ẞ,y-diketovaleric acid steam distillation structural formula sulfuric acid University of Wisconsin value in deter western red cedar wood-destroying fungus