Subject Index 



Absorptivities, 



biaxial crystals and, 535-536 

 linear systems and, 535 

 principle, measurement of, 533-534 

 Acetic acid, 



paper chromatography and, 253 

 salts, nucleotide separation by, 226 

 Acetoacetic acid, pyrimidine synthesis 



and, 125, 130 

 Acetaldehyde, deoxyribose biosynthesis 



and, 59 

 Acetamidocyanoacetate, purine syn- 

 thesis and, 133 

 Acetobromo-D-arabofuranose, nucleoside 



synthesis and, 151 

 Acetobromoglucose, nucleoside synthesis 



and, 155 

 Acetobromoribofuranose, nucleoside 



synthesis from, 155-156 

 Acetochloro-D-ribofuranose, nucleoside 



synthesis and, 151 

 Acetol, formation from thymine, 121 

 Acetone, 



paper chromatography and, 255-256 

 thymine estimation and, 305 

 Acetonitrile, pyrimidine synthesis and, 



130 

 Acetyl phosphate, hydrolysis of, 37 

 Acetylene, pyrimidine synthesis and, 130 

 3'-Acetylthymidine, nucleotide synthesis 



and, 176 

 3'-Acetyl-5'-tritylthymidine, 176 

 5-Acylaminopyrimidines, purine syn- 

 thesis and, 132 

 Adenase, 97, see also Adenine deaminase 

 Adenine, 2, 3, 14, 40, 124, 346 

 adenosine deaminase and, 596 

 amino group turnover, 599 

 bond distances and angles, 451-452 

 cationic exchange of, 218 

 color reaction for, 304 

 deamination, 118, 131, 260 

 adenosine and, 600 



2,6-diaminopurine and, 105 

 discovery of, 84 

 dissociation of, 114, 268 

 dissociation constants of, 456, 457 



resonance and, 457-458 

 glutamate and, 600 

 hydrogen atoms of, 452 

 hydrolysis of, 135 

 inosine formation from, 602-603 

 iodine and, 121 



nucleohistone fractionation and, 362 

 nucleotide pyrophosphorylase and, 



607-608 

 occurrence of free base, 94 

 oxidation of, 122 



paper chromatography of, 249, 253, 255 

 reaction with acetobromo-D-arabo- 



furanose, 151 

 reaction with ribose-1 -phosphate, 37 

 reducing agents and, 119, 120 

 spectrophotometric estimation of, 200- 



202 

 stability, 

 acid, 117-118 

 alkali, 118 

 synthesis of, 85, 131, 133, 135 

 thymine ratio, 352-355 

 ultraviolet absorption of, 498-499, 502 

 wheat germ nucleic acid and, 347-348 

 xanthine oxidase and, 612 

 Adenine deaminase, distribution of, 



595-596 

 Adenine deoxyriboside, 139, 140 

 deamination of, 142, 597 

 glycosidic linkage of, 143 

 hydrolysis of, 57 

 Adenine deoxyriboside phosphate, 171, 



see also Deoxyadenylic acid 

 Adenine nucleotide esters, ribonuclease 



and, 565 

 Adenine picrate, 124 

 Adenine riboside, see Adenosine 

 Adenine thiomethylpentoside, isolation 

 of, 94-95, 157 



655 



