N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

Base Information

Chemical Name:N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide
CAS No.:857896-63-0
Molecular Formula:C₃₅H₃₂ClN₅O₄
Molecular Weight:622.123
Hs Code.:

Synonyms:N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

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Chemical Property of N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

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Technology Process of N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

There total 7 articles about N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide 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: 62.0%

: 7602-01-9
N-(6-chloro-7⁽⁹⁾H-purin-2-yl)-acetamide

: 474329-18-5
(+)-(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-ol

: 857896-63-0
N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

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

: 857896-63-0
N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

Guidance literature:: Multi-step reaction with 7 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: 78 percent / 4-(dimethylamino)pyridine; pyridine / 20 h / 20 °C

7: 62 percent / diethyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 20 °C

With pyridine; dmap; sodium periodate; potassium tert-butylate; potassium carbonate; triphenylphosphine; diethylazodicarboxylate; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; 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

: 857896-63-0
N-[6-chloro-9-[(3aS,4S,6aS)-2,2-dimethyl-6a-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl]-9H-purin-2-yl]acetamide

Guidance literature:: Multi-step reaction with 6 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: 78 percent / 4-(dimethylamino)pyridine; pyridine / 20 h / 20 °C

6: 62 percent / diethyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 20 °C

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