dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

Base Information

• Chemical Name: dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate
• CAS No.: 1133809-99-0
• Molecular Formula: C₄₅H₃₄N₂O₆S₂
• Molecular Weight: 762.907

Synonyms:dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

Chemical Property of dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

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Technology Process of dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

There total 2 articles about dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-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: 45.0%

dimethyl 2,7-diethynyl-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate (1133809-77-4) + 1-iodo-4-thioacetylbenzene (69746-43-6) → dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate (1133809-99-0)

Guidance literature:

With copper(l) iodide; N-ethyl-N,N-diisopropylamine; triphenylphosphine; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In tetrahydrofuran; at 40 ℃; for 3h; Inert atmosphere;

DOI:10.1016/j.tet.2008.12.047

Reference yield:

C45H34N2O6S2 (1133810-27-1) → dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate (1133809-99-0)

Guidance literature:

In dichloromethane; at 23 ℃; Kinetics;

DOI:10.1016/j.tet.2008.12.047

Reference yield:

dimethyl 2,7-bis((4-(acetylthio)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate (1133809-99-0) → C45H34N2O6S2 (1133810-27-1)

Guidance literature:

In dichloromethane; at 23 ℃; UV-irradiation;

DOI:10.1016/j.tet.2008.12.047

upstream raw materials:

dimethyl 2,7-diethynyl-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

1-iodo-4-thioacetylbenzene

C₄₅H₃₄N₂O₆S₂

Downstream raw materials:

C₄₅H₃₄N₂O₆S₂

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