ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

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Chemical Name:ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate
CAS No.:1221069-56-2
Molecular Formula:C₁₆H₁₄ClN₃O₃S
Molecular Weight:363.824
Hs Code.:

Synonyms:ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

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Chemical Property of ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

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Technology Process of ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

There total 3 articles about ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]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: 77.0%

: 546-68-9
titanium(IV) isopropylate

: ethyl 5-amino-3-(4-chlorophenyl)-4-oxo-3,4-dihydrothieno-[3,4-d]pyridazine-1-carboxylate

: 67-63-0,8013-70-5
isopropyl alcohol

: 1221069-56-2
ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

Guidance literature:: at 170 ℃; for 0.666667h; Microwave irradiation;

Reference yield: 77.0%

: 546-68-9
titanium(IV) isopropylate

: ethyl 5-amino-3-(4-chlorophenyl)-4-oxo-3,4-dihydrothieno-[3,4-d]pyridazine-1-carboxylate

: 1221069-56-2
ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

Guidance literature:: In isopropyl alcohol; at 170 ℃; for 0.666667h; Microwave irradiation;
DOI:10.1021/jm100138f

Reference yield:

: 115592-30-8
ethyl 1-(4-chlorophenyl)-5-cyano-4-methyl-6-oxo-1,6-dihydrodihydropyridazine-3-carboxylate

: 1221069-56-2
ethyl 5-amino-3-(4-bromophenyl)-4-oxo-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: morpholine; sulfur / 0.25 h / 150 °C / Microwave irradiation

2: 0.67 h / 170 °C / Microwave irradiation

With morpholine; sulfur; 1: Gewald reaction;