7-Methylxanthosine,29885-96-9,N3-PEG2-NHS 含有叠氮和琥珀酰亚胺酯的PEG试剂 英文名称:1H-Purinium,2,3,6,9-tetrahydro-7-methyl-2,6-dioxo-9-b-D-ribofuranosyl- (8CI,9CI) 英文别名:7-Methylxanthosine CAS :29885-96-9 分子式:C11H15 N4 O6 结构式: 凯新生物 Azido-PEG2-NHS 结构式 供应...
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synthesis of 7-methylxanthosine-[2- 14CRing-labelled 7-methylxanthosine was synthesized and fed to leaves of Coffea arabica. Up to 26% of the tracer was converted into caffeine within 8 days.doi:10.1016/S0031-9422(00)89283-3Thomas W. Baumann...
7-METHYLXANTHOSINEAlthough caffeine biosynthesis has been reported to start with the methylation of xanthosine to yield 7-methylxanthosine, we failed to demonstrate in suspension-cultured cells of coffee the presence of 7-methylxanthosine, even after considerable stimulation of overall purine alkaloid ...
7-Methylxanthosine synthasedoi:10.1007/978-3-540-85697-9_6Springer Berlin Heidelberg
and T.W. Baumann: Stimulation of caffeine biosynthesis in suspension-cultured coffee cells and the in situ existence of 7-methylxanthosine. Phytochemistry 38, 1381-1386 (1995)Schulthess BH, Baumann TW (1995) Stimulation of caffeine biosynthesis in suspension-cultured coffee cells and the in situ ...