(-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

Base Information

Chemical Name:(-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine
CAS No.:857896-66-3
Molecular Formula:C₃₃H₃₁ClN₄O₃
Molecular Weight:567.087
Hs Code.:

Synonyms:(-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

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Chemical Property of (-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

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Technology Process of (-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

There total 8 articles about (-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine 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: 51.0%

: 857896-65-2
(+)-(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-ol

: 87-42-3
6-chloropurine

: 857896-66-3
(-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

Guidance literature:: With triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; at 20 ℃;
DOI:10.1021/jo0503207

Reference yield:

: 67814-68-0,70266-87-4,76249-50-8,76249-51-9,93451-15-1,4099-88-1
2,3-O-isopropylidene-D-ribofuranose

: 857896-66-3
(-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

Guidance literature:: Multi-step reaction with 8 steps

1: 81 percent / tetrahydrofuran / 3 h / 0 °C

2: 85 percent / NaIO₄ / CH₂Cl₂ / 0.5 h / 20 °C

3: 95 percent / K₂CO₃ / H₂O; methanol / 36 h / pH 10 / Heating

4: 81 percent / potassium tert-butoxide / tetrahydrofuran / 15 h / 20 °C

5: 99 percent / second-generation Grubbs catalyst / CH₂Cl₂ / 2 h / 20 °C

6: 92 percent / hydrogen / Pd/C / methanol / 4 h / 20 °C

7: 74 percent / 4-(dimethylamino)pyridine; pyridine / 20 h / 20 °C

8: 51 percent / diethyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 20 °C

With pyridine; dmap; sodium periodate; potassium tert-butylate; hydrogen; potassium carbonate; triphenylphosphine; diethylazodicarboxylate; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; water;
DOI:10.1021/jo0503207

Reference yield:

: 141436-58-0,126113-84-6
(-)-(1R)-1-[(4R,5S)-5-((1S)-1-hydroxyallyl)-2,2-dimethyl[1,3]dioxolan-4-yl]ethane-1,2-diol

: 857896-66-3
(-)-6-chloro-9-[(3aS,4R,6aS)-2,2-dimethyl-6a-trityloxymethyltetrahydrocyclopenta[1,3]dioxol-4-yl]-9H-purine

Guidance literature:: Multi-step reaction with 7 steps

1: 85 percent / NaIO₄ / CH₂Cl₂ / 0.5 h / 20 °C

2: 95 percent / K₂CO₃ / H₂O; methanol / 36 h / pH 10 / Heating

3: 81 percent / potassium tert-butoxide / tetrahydrofuran / 15 h / 20 °C

4: 99 percent / second-generation Grubbs catalyst / CH₂Cl₂ / 2 h / 20 °C

5: 92 percent / hydrogen / Pd/C / methanol / 4 h / 20 °C

6: 74 percent / 4-(dimethylamino)pyridine; pyridine / 20 h / 20 °C

7: 51 percent / diethyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 20 °C

With pyridine; dmap; sodium periodate; potassium tert-butylate; hydrogen; potassium carbonate; triphenylphosphine; diethylazodicarboxylate; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; water;
DOI:10.1021/jo0503207