7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one

Base Information

• Chemical Name: 7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one
• CAS No.: 1234320-80-9
• Molecular Formula: C₁₂H₁₂N₄O₂
• Molecular Weight: 244.253

Synonyms:7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one

Chemical Property of 7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one

Chemical Property:

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Technology Process of 7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one

There total 2 articles about 7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one 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: 84.0%

5-amino-N-(2,2-diethoxyethyl)-1-phenyl-1H-pyrazole-4-carboxamide (1060548-56-2) → 7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one (1234320-80-9)

Guidance literature:

With hydrogenchloride; In water; Heating;

DOI:10.1134/S1070428012070172

Reference yield:

5-(2,2-diethoxyethyl)-1-phenyl-1H-pyrazolo-[3,4-d]pyrimidin-4(5H)-one (1060548-22-2) → 7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one (1234320-80-9)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium hydroxide / ethanol / 5 h / Reflux

2: hydrogenchloride / water / Heating

With hydrogenchloride; sodium hydroxide; In ethanol; water;

DOI:10.1134/S1070428012070172

Reference yield:

7-hydroxy-1-phenyl-5,6,7,8-tetrahydropyrazolo-[3,4-e][1,4]diazepin-4(1H)-one (1234320-80-9) + p-Chlorothiophenol (106-54-7) → 7-(4-chlorophenylsulfanyl)-1-phenyl-5,6,7,8-tetrahydropyrazolo[3,4-e][1,4]diazepin-4(1H)-one (1616589-37-7)

Guidance literature:

With formic acid; at 20 ℃; for 24h;

DOI:10.1134/S107042801405011X

upstream raw materials:

5-amino-N-(2,2-diethoxyethyl)-1-phenyl-1H-pyrazole-4-carboxamide

5-(2,2-diethoxyethyl)-1-phenyl-1H-pyrazolo-[3,4-d]pyrimidin-4(5H)-one

Downstream raw materials:

7-benzylsulfanyl-1-phenyl-5,6,7,8-tetrahydropyrazolo[3,4-e][1,4]diazepin-4(1H)-one

7-(4-chlorophenylsulfanyl)-1-phenyl-5,6,7,8-tetrahydropyrazolo[3,4-e][1,4]diazepin-4(1H)-one

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