Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

Base Information

Chemical Name:Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate
CAS No.:88287-66-5
Molecular Formula:C₂₆H₂₈N₂O₇
Molecular Weight:480.518
Hs Code.:

Synonyms:Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

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Chemical Property of Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

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Technology Process of Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

There total 7 articles about Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate 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:

: 50908-41-3
2,5-anhydro-3-deoxy-4,6-di-O-toluoyl-D-ribohexononitrile

: 88287-66-5
Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

Guidance literature:: Multi-step reaction with 7 steps

1: 12.1 g / sodium (trifluoroacetoxy)borohydride, HCl / tetrahydrofuran / 18 h / Ambient temperature

2: 63 percent / sodium acetate, pyridine / Ambient temperature

3: NaOCH₃ / methanol / 0.75 h / Heating

4: 59 percent / KOH / dimethylsulfoxide / 2 h / 15 - 20 °C

5: N₂O₄ / CCl₄; acetic acid / 2 h / 0 °C

6: KOH / diethyl ether; H₂O / 5.5 h / 0 °C

7: diethyl ether / 0.25 h / 0 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium (trifluoroacetoxy)borohydride; sodium methylate; sodium acetate; dinitrogen tetraoxide; In tetrahydrofuran; methanol; tetrachloromethane; diethyl ether; water; acetic acid; dimethyl sulfoxide;
DOI:10.1021/jo00177a028

Reference yield:

: 88287-62-1
1-Acetamido-2,5-anhydro-1,3-dideoxy-D-ribo-hexitol

: 88287-66-5
Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: 59 percent / KOH / dimethylsulfoxide / 2 h / 15 - 20 °C

2: N₂O₄ / CCl₄; acetic acid / 2 h / 0 °C

3: KOH / diethyl ether; H₂O / 5.5 h / 0 °C

4: diethyl ether / 0.25 h / 0 °C

With potassium hydroxide; dinitrogen tetraoxide; In tetrachloromethane; diethyl ether; water; acetic acid; dimethyl sulfoxide;
DOI:10.1021/jo00177a028

Reference yield:

: 88287-63-2
1-Acetamido-2,5-anhydro-4,6-di-O-benzyl-1,3-dideoxy-D-ribo-hexitol

: 88287-66-5
Dimethyl 3-(3,5-di-O-benzyl-2-deoxy-β-D-erythro-pentofuranosyl)pyrazole-4,5-dicarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: N₂O₄ / CCl₄; acetic acid / 2 h / 0 °C

2: KOH / diethyl ether; H₂O / 5.5 h / 0 °C

3: diethyl ether / 0.25 h / 0 °C

With potassium hydroxide; dinitrogen tetraoxide; In tetrachloromethane; diethyl ether; water; acetic acid;
DOI:10.1021/jo00177a028