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91702-61-3

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Basic Information
CAS No.: 91702-61-3
Name: Acyclovir IMpurity C
Molecular Structure:
Molecular Structure of 91702-61-3 (Acyclovir IMpurity C)
Formula: C8H11N5O3
Molecular Weight: 225.207
Synonyms: acycloguanosine;UNII-5QK1Y89K2H;
Density: 1.77±0.1 g/cm3(Predicted)
Melting Point: >280 °C (decomp)
PSA: 120.04000
LogP: -0.98940
Synthetic route
91702-60-2

7-<(2-acetoxyethoxy)methyl>-N2-acetylguanine

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
With methylamine at 80℃; for 0.5h;82%
374678-34-9

7-[[2-(p-methoxyphenyloxy)ethoxy]methyl]guanine

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
With ammonium cerium(IV) nitrate In water; acetonitrile at 0 - 25℃; for 1h;70%
With NH4Ca(NO3)3 In water; acetonitrile70%
59278-00-1

2-acetoxyethyl acetoxymethyl ether

108-24-7

acetic anhydride

A

59277-89-3

acycloguanosine

B

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
With sodium hydroxide; toluene-4-sulfonic acid 1.) 100 deg C, 20 h, 2.) room temperature, overnight; Yield given. Multistep reaction;A n/a
B 0.5%
73-40-5

2-amino-1,9-dihydro-6H-purin-6-one

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: (NH4)2SO4 / 24 h / Heating
2: 3.54 g / acetonitrile / 7 h / 25 °C
3: 88 percent / dimethylformamide / 8 h / 25 °C
4: 82 percent / dimethylformamide / 25 °C
5: 70 percent / ceric ammonium nitrate / acetonitrile; H2O / 1 h / 0 - 25 °C
View Scheme
890044-83-4

6-Trimethylsilanyloxy-9H-purin-2-ylamine

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 3.54 g / acetonitrile / 7 h / 25 °C
2: 88 percent / dimethylformamide / 8 h / 25 °C
3: 82 percent / dimethylformamide / 25 °C
4: 70 percent / ceric ammonium nitrate / acetonitrile; H2O / 1 h / 0 - 25 °C
View Scheme
146828-69-5

7-[(2-chloroethoxy)methyl]guanine

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 82 percent / dimethylformamide / 25 °C
2: 70 percent / ceric ammonium nitrate / acetonitrile; H2O / 1 h / 0 - 25 °C
View Scheme
374678-33-8

9-(triphenylmethyl)guanine

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 88 percent / dimethylformamide / 8 h / 25 °C
2: 82 percent / dimethylformamide / 25 °C
3: 70 percent / ceric ammonium nitrate / acetonitrile; H2O / 1 h / 0 - 25 °C
View Scheme
3056-33-5

2,9-diacetylguanine

91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) p-toluenesulfonic acid / 1.) AcOH, 2.) toluene, reflux, 16 h
2: 82 percent / aq. MeNH2 / 0.5 h / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: 22 percent / p-toluenesulfonic acid / 1.) 120-125 deg C, 2.) 150 deg C, 45 min
2: 82 percent / aq. MeNH2 / 0.5 h / 80 °C
View Scheme
91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

146828-69-5

7-[(2-chloroethoxy)methyl]guanine

Conditions
ConditionsYield
With thionyl chloride In N,N,N,N,N,N-hexamethylphosphoric triamide at 20℃; for 24h;61.9%
91702-61-3

7-(2-Hydroxyethoxymethyl)guanine

74-88-4

methyl iodide

124321-53-5

7-(2-Hydroxyethoxymethyl)-9-methylguaninium Hydroiodide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃;31%
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