INDEX 



675 



Mercury salts, purines and pyrimidines, 



124 

 Methionine, 575, 614 

 "active", 158 

 synthesis of, 188 

 dexiro-Metasaccharinate, deoxyribose 



synthesis from, 52 

 2-Methox3'ethanol, see Methyl cellosolve 

 2-Methoxyethyl dimethyl phosphate, 



hydrolysis of, 415 

 2-Methoxyethyl methyl hydrogen phos- 

 phate, hydrolysis of, 415 

 2-Methyladenine, occurrence of, 136 

 6-N6-Methyladenine, 144 

 7-Methyladenine, 143 

 9-Methyladenine, absorption spectra of, 



143 

 1-Methylallantoin, formation of, 616 

 3-MethylaIlantoin, formation of, 616 

 2-Meth3'l-5-aminomethyl-6(4)-hydroxy- 



pyrimidine, preparation of, 93 

 Methyl 2,3-anhydroribose, deoxyribose 



and, 50-51 

 6-Methyl-8-azapurine, synthesis of, 106 

 5-Methylbarbituric acid, 

 barbiturase and, 623 

 degradation of, 623 

 formation from thymine, 622 

 uracil oxidase and, 622 

 2-Methyl-5-bromomethyl-6-aminopyrim- 



idine, stability of, 93 

 Methyl cellosolve, paper chromatography 



and, 253 

 4-Methyl-5-chloromethyluracil, stability 



of, 92 

 Methylcyanoacetic acid, thymine syn- 

 thesis and, 126 

 5-Methylcytidylic acid, 

 polynucleotide sequence and, 235 

 synthesis, enzymatic, 566 

 ultraviolet absorption of, 513 

 5-Methylcytosine, 84, 90, 123, 347, 370, 622 

 amino group of, 448 

 cation exchange behavior, 219 

 deamination of, 118 

 deoxypentose nucleic acid structure 



and, 371 

 dihydroorotic acid dehydrogenase and, 



621 

 discovery of, 89-90 

 nucleic acid fractionation and, 363-365 



occurrence of, 14, 346-347, 355-356 



oxidation of, 121 



paper chromatography of, 249, 250 



synthesis of, 127-128 



ultraviolet absorption of, 115-116, 500. 



503, 505 

 uracil oxidase and, 622 

 5-Methylc3'tosine deoxyriboside, 139 

 ultraviolet absorption of, 506, 509 

 5-Methylcytosine deoxyriboside diphos- 

 phate, 172 

 deoxyribonucleic acid and, 441 

 5-Methyl-2-cytosine-thiol, synthesis of, 



127 

 Methyl-2-deoxyribosides, properties of, 



55-56 

 Methylene blue, 

 deoxyribonuclease assay and, 580-581 

 uracil oxidase and, 622 

 Methyl glycol, paper chromatography'^ 



and, 253 

 Methyl green, 



deoxyribonuclease assay and, 580-581 

 specificity of, 544 

 1-Methylguanine, deamination of, 598 

 7-Methylguanine, 143 

 9-Methylguanine, 143 

 2 -Methyl -4 -hydroxy -6- hydroxymethyl- 



pyrimidine, 91 

 4 -Methyl -5-hydroxymethyl -6 - ami nopy - 



rimidine, stability of, 93 

 4-Methyl-5-hydroxymethyluracil, prepa- 

 ration and properties, 90 

 2-Methylhypoxanthine, synthesis of, 133 

 7-Methylhypoxanthine, 143 

 9-Methylhypoxanthine, 143 

 5-Methylisocytosine, 

 deamination of, 118 

 synthesis of, 125 

 /3-Methylmalic acid, pyrimidine synthe- 

 sis and, 125 

 6-Methylmercaptopurine, reaction with 



amines, 130 

 Methylpentoses, 



cysteine-sulfuric acid reaction and, 



294-295, 303 

 orcinol reaction and, 301 

 6-Methylpurine, synthesis of, 132 

 Methyl riboside, preparation of, 24-26 

 D-Methylserine, amicetin and, 135 

 5-Methylthiouracil, 104 



