7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

Base Information

Chemical Name:7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide
CAS No.:246537-19-9
Molecular Formula:C₂₁H₁₅N₅O₂S
Molecular Weight:401.448
Hs Code.:

Synonyms:7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

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Chemical Property of 7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

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Technology Process of 7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

There total 6 articles about 7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide 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: 87.0%

: 246537-18-8
ethyl 7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carboxylate

: 246537-19-9
7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

Guidance literature:: With hydrazine hydrate; for 3h; Heating;
DOI:10.1007/PL00010290

Reference yield:

: 54108-26-8
ethyl 2,3-dihydro-5,6-diphenyl-3-oxopyridazine-4-carboxylate

: 246537-19-9
7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

Guidance literature:: Multi-step reaction with 5 steps

1: 70 percent / P₂S₅ / pyridine / 5 h / Heating

2: 67 percent / NaOAc / ethanol / 10 h / Heating

3: 74 percent / K₂CO₃ / dimethylformamide / 2 h / 100 °C

4: 84 percent / NaOEt / ethanol / 0.17 h / Heating

5: 87 percent / 99 percent N₂H₄*H₂O / 3 h / Heating

With tetraphosphorus decasulfide; sodium ethanolate; sodium acetate; potassium carbonate; hydrazine hydrate; In pyridine; ethanol; N,N-dimethyl-formamide; 1: Substitution / 2: cyclocondensation / 3: Etherification / 4: Thorpe-Ziegler cyclization / 5: Substitution;
DOI:10.1007/PL00010290

Reference yield:

: 112450-33-6
ethyl 2,3-dihydro-5,6-diphenyl-3-thioxo-2,3-dihydro-4-pyridazinecarboxylate

: 246537-19-9
7-amino-3,4-diphenylfuro[2',3':4,5]thieno[2,3-c]pyridazine-6-carbohydrazide

Guidance literature:: Multi-step reaction with 4 steps

1: 67 percent / NaOAc / ethanol / 10 h / Heating

2: 74 percent / K₂CO₃ / dimethylformamide / 2 h / 100 °C

3: 84 percent / NaOEt / ethanol / 0.17 h / Heating

4: 87 percent / 99 percent N₂H₄*H₂O / 3 h / Heating

With sodium ethanolate; sodium acetate; potassium carbonate; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide; 1: cyclocondensation / 2: Etherification / 3: Thorpe-Ziegler cyclization / 4: Substitution;
DOI:10.1007/PL00010290