4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

Base Information

Chemical Name:4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester
CAS No.:883977-32-0
Molecular Formula:C₂₄H₂₀N₄O₅
Molecular Weight:444.447
Hs Code.:

4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1<i>H</i>-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

Synonyms:4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

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Chemical Property of 4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

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Technology Process of 4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

There total 9 articles about 4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 26.0%

: 883977-31-9
2-acetyl-1,9-dibenzyl-1,9-dihydro-purin-6-one

: 553-90-2
Dimethyl oxalate

: 883977-32-0
4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

Guidance literature:: With sodium t-butanolate;
DOI:10.1016/j.bmcl.2005.12.093

Reference yield:

: N²-acetyl-7,9-dibenzylguaninium bromide

: 883977-32-0
4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

Guidance literature:: Multi-step reaction with 9 steps

1: 76 percent / HCO₂NH₄; aq. NH₃ / Pd/C / methanol

2: 45 percent / POCl₃ / acetonitrile

3: 41 percent / tBuONO; CH₂I₂ / acetonitrile

4: 78 percent / aq. NaOH

5: 49 percent / NaH / dimethylformamide

6: 96 percent / Pd(PPh₃)2Cl₂ / dimethylformamide

7: 99 percent / aq. HCl / acetone

8: 26 percent / tBuONa

With hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; ammonium hydroxide; sodium hydroxide; tert.-butylnitrite; diiodomethane; ammonium formate; sodium hydride; sodium t-butanolate; trichlorophosphate; palladium on activated charcoal; In methanol; N,N-dimethyl-formamide; acetone; acetonitrile; 9: Claisen condensation;
DOI:10.1016/j.bmcl.2005.12.093

Reference yield:

: 883977-28-4
9-benzyl-2-iodo-1,9-dihydro-purin-6-one

: 883977-32-0
4-(1,9-dibenzyl-6-oxo-6,9-dihydro-1H-purin-2-yl)-2-hydroxy-4-oxo-but-2-enoic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 49 percent / NaH / dimethylformamide

2: 96 percent / Pd(PPh₃)2Cl₂ / dimethylformamide

3: 99 percent / aq. HCl / acetone

4: 26 percent / tBuONa

With hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; sodium hydride; sodium t-butanolate; In N,N-dimethyl-formamide; acetone; 4: Claisen condensation;
DOI:10.1016/j.bmcl.2005.12.093