ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

Base Information

Chemical Name:ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate
CAS No.:1380312-48-0
Molecular Formula:C₁₇H₂₀N₆O₃
Molecular Weight:356.384
Hs Code.:

Synonyms:ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

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Chemical Property of ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

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Technology Process of ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

There total 3 articles about ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate 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: 72.0%

: 110-87-2
3,4-dihydro-2H-pyran

: 1380312-44-6
ethyl 2-[2-bromo-1-(1-phenyl-1H-tetrazol-5-yl)ethylidene]hydrazinecarboxylate

: 1380312-48-0
ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

: 1380312-49-1
ethyl 2-[2-(3,4-dihydro-2H-pyran-5-yl)-1-(1-phenyl-1H-tetrazol-5-yl)ethylidene]hydrazinecarboxylate

Guidance literature:: With sodium carbonate; In dichloromethane; at 20 ℃; for 65h;
DOI:10.1002/ejoc.201101826

Reference yield:

: 1380312-43-5
ethyl 2-[1-(1-phenyl-1H-tetrazol-5-yl)ethylidene]hydrazinecarboxylate

: 1380312-48-0
ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

: 1380312-49-1
ethyl 2-[2-(3,4-dihydro-2H-pyran-5-yl)-1-(1-phenyl-1H-tetrazol-5-yl)ethylidene]hydrazinecarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: N-Bromosuccinimide / chloroform / 16 h / 70 °C

2: sodium carbonate / dichloromethane / 65 h / 20 °C

With N-Bromosuccinimide; sodium carbonate; In dichloromethane; chloroform;
DOI:10.1002/ejoc.201101826

Reference yield:

: 343945-95-9
5-acetyl-1-phenyl-1H-tetrazole

: 1380312-48-0
ethyl 3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

: 1380312-49-1
ethyl 2-[2-(3,4-dihydro-2H-pyran-5-yl)-1-(1-phenyl-1H-tetrazol-5-yl)ethylidene]hydrazinecarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: toluene-4-sulfonic acid / toluene / 1 h / 120 °C / Inert atmosphere

2: N-Bromosuccinimide / chloroform / 16 h / 70 °C

3: sodium carbonate / dichloromethane / 65 h / 20 °C

With N-Bromosuccinimide; sodium carbonate; toluene-4-sulfonic acid; In dichloromethane; chloroform; toluene;
DOI:10.1002/ejoc.201101826