ChemicalBook CAS DataBase List 5-Methyl-2'-C-methyl-uridine

5-Methyl-2'-C-methyl-uridine synthesis

5synthesis methods

Product Name:5-Methyl-2'-C-methyl-uridine
CAS Number:119410-84-3
Molecular formula:C11H16N2O6
Molecular Weight:272.25

957535-53-4 Synthesis

(2R,3R,4R,5R)-5-((benzoyloxy)Methyl)-3-Methyl-2-(5-Methyl-2,4-dioxo-3,4-dihydropyriMidin-1(2H)-yl)tetrahydrofuran-3,4-diyl dibenzoate

957535-53-4
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119410-84-3
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Yield:119410-84-3 83.1%

Reaction Conditions:

with ammonia in methanol at 0 - 20; for 20 h;

Steps:

15.2

Compound 3m-3-Compound 3m-2 (1.6 g, 2.74 mmol) was dissolved in methanolic ammonia (120 mL, saturated at 0° C.). The mixture was stirred at RT for 20 hours. The solution was evaporated to dryness and the residue was purified on a silica gel column (DCM:MeOH=100:1 to 50:1) to give 3m-3 as a light yellow foam (620 mg, 83.1%). ¹H NMR (MeOD, 400 MHz) δ 8.05 (s, 1H), 5.93 (s, 1H), 4.01-3.97 (m, 1H), 3.91-3.86 (m, 2H), 3.80-3.76 (m, 1H), 1.85 (s, 3H), 1.13 (s, 3H).

References:

US2012/71434,2012,A1 Location in patent:Page/Page column 111

23709-41-3 Synthesis