与化学诱导突变的研究有关,通过5,6-二氢胞嘧啶的磺酰胺合成,通过相应的2-氰基乙基脲的闭环反应和4-硫代5,6-二氢尿嘧啶的胺化反应合成了许多5,6-二氢胞嘧啶。记录了二氢胞嘧啶及其1-甲基,1-环己基,1,3-二甲基和1,N(4)-三甲基衍生物的Uv和ir光谱以及p K a值。1-烷基二氢胞嘧啶和母体化合物在水中以氨基形式(K T 25)存在,在氯仿中主要以亚氨基形式存在。讨论了其快速水解为二氢尿嘧啶的动力学和机理。
Green; Cohen, Journal of Biological Chemistry, 1957, vol. 228, p. 601,605,606
作者:Green、Cohen
DOI:——
日期:——
Transfer Hydrogenation as a Redox Process in Nucleotides
作者:Florian Achrainer、Vladimir N. Emel’yanenko、Waled Tantawy、Sergey P. Verevkin、Hendrik Zipse
DOI:10.1021/jp507855k
日期:2014.9.4
the nucleotide bases uracil, thymine, cytosine, adenine, and guanine have been determined. The most easily hydrogenated base is uracil, followed by thymine and cytosine. Comparison of these hydrogenation enthalpies with those of ketones and aldehydes derived from sugar models indicates the possibility of near-thermoneutral hydrogen transfer between uracil and the sugar phosphate backbone in oligonucleotides
the corresponding 2-cyanoethylurea and by amination of 4-thio-5,6-dihydrouracils. U.v. and i.r. spectra and pKa values of dihydrocytosine and its 1-methyl, 1-cyclohexyl, 1,3-dimethyl, and 1,N(4)-trimethyl derivatives are recorded. 1-Alkyl dihydrocytosines and the parent compound exist in the amino-form (KT 25) in water and predominantly in the imino-form in chloroform. The kinetics and mechanism of
与化学诱导突变的研究有关,通过5,6-二氢胞嘧啶的磺酰胺合成,通过相应的2-氰基乙基脲的闭环反应和4-硫代5,6-二氢尿嘧啶的胺化反应合成了许多5,6-二氢胞嘧啶。记录了二氢胞嘧啶及其1-甲基,1-环己基,1,3-二甲基和1,N(4)-三甲基衍生物的Uv和ir光谱以及p K a值。1-烷基二氢胞嘧啶和母体化合物在水中以氨基形式(K T 25)存在,在氯仿中主要以亚氨基形式存在。讨论了其快速水解为二氢尿嘧啶的动力学和机理。