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

Base Information

Chemical Name:dimethyl 2',4a'-dimethyl-2,7-bis((4-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate
CAS No.:1133809-95-6
Molecular Formula:C₆₇H₅₄N₂O₄Si₂
Molecular Weight:1007.35
Hs Code.:

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

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

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

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

There total 2 articles about dimethyl 2',4a'-dimethyl-2,7-bis((4-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)-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:

: 189118-73-8
((4-((4-ethynylphenyl)ethynyl)phenyl)ethynyl)trimethylsilane

: 1133809-69-4
C₂₅H₂₀Br₂N₂O₄

: 1133809-95-6
dimethyl 2',4a'-dimethyl-2,7-bis((4-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In tetrahydrofuran; at 50 ℃; for 5h; Inert atmosphere;
DOI:10.1016/j.tet.2008.12.047

Reference yield:

: C₆₇H₅₄N₂O₄Si₂

: 1133809-95-6
dimethyl 2',4a'-dimethyl-2,7-bis((4-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

Guidance literature:: In dichloromethane; at 23 ℃; Kinetics;
DOI:10.1016/j.tet.2008.12.047

Reference yield: 44.0%

: 1133809-95-6
dimethyl 2',4a'-dimethyl-2,7-bis((4-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

: 1133809-79-6
dimethyl 2,7-bis((4-((4-ethynylphenyl)ethynyl)phenyl)ethynyl)-2',4a'-dimethyl-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 20 ℃; for 12h; Inert atmosphere;
DOI:10.1016/j.tet.2008.12.047