5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

Base Information

Chemical Name:5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine
CAS No.:863308-63-8
Molecular Formula:C₃₃H₃₄BrN₇O₅
Molecular Weight:688.581
Hs Code.:

5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

Synonyms:5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

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Chemical Property of 5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

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Technology Process of 5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

There total 6 articles about 5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine 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: 83.0%

: 863308-61-6
5-bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

: 40615-36-9
4,4'-dimethoxytrityl chloride

: 863308-63-8
5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

Guidance literature:: With pyridine; at 20 ℃; for 2h;
DOI:10.1016/j.tet.2005.05.046

Reference yield:

: 863308-47-8
4-amino-5-bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrazolo[3,4-d][1,2,3]triazine

: 863308-63-8
5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

Guidance literature:: Multi-step reaction with 2 steps

1: 75 percent / methanol / 20 °C

2: 83 percent / pyridine

With pyridine; In methanol;
DOI:10.1081/NCN-200059218

Reference yield:

: 863308-54-7
9-bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)imidazo[1,2-c]-7H-pyrazolo[4,3-e]pyrimidine

: 863308-63-8
5-bromo-7-[2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythro-pentofuranosyl]-4-(dimethylaminomethylidene)-7H-pyrazolo[3,4-d][1,2,3]triazine

Guidance literature:: Multi-step reaction with 5 steps

1: 47 percent / aq. NaOH / 20 °C

2: 83 percent / NaNO₂; aq. AcOH

3: 56 percent / NBS

4: 75 percent / methanol / 20 °C

5: 83 percent / pyridine

With pyridine; sodium hydroxide; N-Bromosuccinimide; acetic acid; sodium nitrite; In methanol;
DOI:10.1081/NCN-200059218