INDEX 



659 



Antimony trichloride, infrared spectros- 

 copy and, 546 

 Apiose, 95 

 Apurinic acid, 



c,ysteine reaction and, 291 



cysteine-sulfuric acid reaction and, 295 



degradation, 367-368 

 alkaline, 444-445 



deoxyribonuclease and, 367 



diphenylamine and, 287 



formation of, 196 



indole-hydrochloric acid reaction and. 

 298 



molar absorptivities and, 521 



molecular weight of, 443 



preparation of, 341-342 



properties, 342-344 



pyrimidines and, 344 



ribonuclease and, 559 



structural studies on, 366-368 

 Arabinal, 17 



cysteine reaction and, 293-294, 299 



cysteine-sulfuric acid reaction and, 295 



deoxyribose synthesis and. 49-50 



diphenylamine and, 288 



indole-hydrochloric acid reaction and, 

 298 



tryptophan-perchloric acid reaction 

 and, 296 

 Arabinose, 10, 11-12, 55, 140 



deoxyriljose synthesis from, 50, 53 



indole-hydrochloric acid reaction and, 

 298 



ribose synthesis and, 16-17 

 Arabinose-5-phosphate, 35, 42 



metabolism of, 41 

 D-Arabofuranosyl adenine, nucleoside 



hydrolase and, 606 

 Arabonic acid, 21 



ribose synthesis and, 16 

 Arginine, 575 



nucleoprotein formation and, 530-531 

 Arsenate, 



intestinal phosphatase and, 589 



nucleoprotein isolation and, 313 



nucleoside phosphorylase and, 603 



3'-nucleotidase and, 593 

 Arsenite, deoxyribonuclease and, 582 

 Arsenotungstic acid, pyrimidines and, 

 305 



5-Arylazopyrimidines, purine synthesis 



and, 131 

 Ascorbic acid, 



indole-hydrochloric acid reaction and, 

 298 



transforming activity and, 339 



tryptophan-perchloric acid reaction 

 and, 296 



xanthine oxidase and, 613 

 ATP, see Adenosine triphosphate 

 2-Azaadenine, 



biological activity of, 107 



synthesis of, 107 



xanthine oxidase and, 612 

 8-Azaadenine, 106 



deamination of, 118 

 8-Azaguanine, 



biological activity of, 106-107 



deamination of, 118, 598-599 



fluorescence of, 247 



incorporation of, 107 

 8-Azaguanine riboside, 36 

 8-Azaguanylic acid, 



electrophoresis of, 277 



isolation of, 107 



paper chromatography and, 257 

 2-Azahypoxanthine, 107 

 8-Azahypoxanthine, 106 



thiation of, 135 

 8-Aza-6-mercaptopurine, synthesis of, 

 135 



B 



Bacteriophage, 346 



deoxyribonucleic acids of, 61 



pyrimidines of. 88. 89, 90, 136, 188 

 Barbital, 103 



barbiturase and, 623 

 Barbiturase, properties of, 622-623 

 Barbituric acid, 



chloro derivative, 127 



formation, 622 



polarography and, 120 



synthesis of, 103 



uracil oxidase and, 622 

 Barium, deoxypentose nucleic acid and, 



527 

 Benzimidazole, dissociation constants of, 



456 

 Benzimidazole deoxyriboside, prepara- 

 tion of, 57 



