666 



INDEX 



Deoxyribose nucleotides, see also Deoxy- 

 ribotides 

 formation of, 171 

 position of phosphate in, 171-172 

 2-Deoxyribose-l -phosphate, 

 formation of, 58, 63 

 thymidine formation and, 63 

 thymidine phosphorylase and, 605 

 2-Deoxyribose-5-phosphate, 49 



formation of, 58 

 Deoxyribosides, see also Deoxyribo- 

 nucleosides 

 configuration of, 14-15 

 paper chromatography of, 247-248, 253, 



254, 264 

 purine, cysteine reaction and, 292 

 ultraviolet absorption of, 504 

 Deoxyribotides, see also Deoxyribo- 

 nucleotides 

 purine, 



carbazole-sulfuric acid reaction and, 



298 

 diphenylamine and, 287 

 indole-hydrochloric acid reaction 

 and, 297 

 pyrimidine, 



carbazole-sulfuric acid reaction and, 



298 

 diphenylamine and, 288 

 tryptophan-perchloric acid reaction 

 and, 296 

 Deoxysugars, chromatography of, 54 

 2-Deoxyxylose, 142 



deoxypentose nucleic acid and, 346 

 diphenylamine and, 287 

 formation of, 53 

 3-Deoxyxylose, diphenylamine and, 288, 



289 

 2, 3-Deoxyxylose, diphenylamine, 288 

 Desoxyribose, see Deoxyribose 

 Detergents, anionic, deoxypentose nu- 

 cleic acid and, 327-328 

 2,6-Diacetamidopurine, chloromercury 



salt in nucleoside synthesis, 151 

 2',3'-Diacetyladenosine, 



nucleotide synthesis and, 173 

 structure of, 145-146 

 4,5-Diacetylaminouracil, 119 

 1,3-Dialdehydes, pyrimidine synthesis 



and, 125 

 Dialuric acid, 123 



Dialysis, nucleic acid purification by, 333 

 1,3-Diaminobutane, 119 

 2,4-Diamino-5,6-dihydroxypyrimidine, 

 188 

 properties of, 100 

 4 , 5-Diamino-2 , 6-dihydroxypyrimidine, 



uric acid synthesis and, 132 

 4,6-Diamino-5-formamidopyrimidine, 

 dehydration of, 133 

 isotopic, reaction with formamide, 133 

 4,6-Diamino-5-formylaminopyrimidine, 



adenine synthesis and, 132 

 4,5-Diamino-6-glycosylaminopyrimi- 



dine, cyclization of, 152 

 4 , 5-Diamino-6-hydroxypyrimidine, 

 hypoxanthine synthesis and, 132 

 synthesis of, 128 

 4,5-Diamino-6-methylpyrimidine, 106 

 4,6-Diamino-2-methylthiopyrimidine, 



adenosine synthesis from, 153 

 2 , 6-Diaminopurine, 



biological activity of, 104-105 

 deamination of, 118 

 incorporation of, 107 

 reducing agents and, 120 

 synthesis of, 132, 133 

 2, 6-Diaminopurine-9-ribofuranoside, nu- 

 cleoside hydrolase and, 606 

 2, 6-Diaminopurine riboside, phosphory- 

 lation of, 594 

 2 , 6 (4) -Diaminopyrimidine , 

 derivatives, as antimetabolites, 104 

 reduction of, 120 

 synthesis of, 126 

 4 , 5-Diaminopyrimidines , 

 pteridines and, 132 

 purine synthesis and, 132-133 

 synthesis of, 128, 131 

 4,6-Diaminopyrimidine, 

 reduction of, 120 



2-substituted, in purine synthesis, 131 

 Diazobenzenesulfonic acid, color tests 



and, 123 

 5,5-Dibromo-4-hydroxyhydrouracil, py- 

 rimidine color tests and, 123 

 1,3-Dicarbamylurea, 136 

 4,5-Dicarbomethoxyiminazole, xantho- 



sine synthesis from, 154 

 2,6-Dichloroadenine, adenosine syn- 

 thesis and, 151 



