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

Base Information

Chemical Name:dimethyl 2,7-bis((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate
CAS No.:1133809-89-8
Molecular Formula:C₄₉H₄₂N₂O₄Si₂
Molecular Weight:779.054
Hs Code.:

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

There total 1 articles about dimethyl 2,7-bis((4-((trimethylsilyl)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:

: 93109-93-4
dimethyl 2,7-dibromo-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7' dicarboxylate

: 66228-76-0
4-(trimethylsilylethynyl)phenylacetylene

: 1133809-89-8
dimethyl 2,7-bis((4-((trimethylsilyl)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: 56.0%

: 1133809-89-8
dimethyl 2,7-bis((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

: 1133809-73-0
dimethyl 2,7-bis[(4-ethynylphenyl)ethynyl]-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

Reference yield: 33.0%

: 1133809-89-8
dimethyl 2,7-bis((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

: 622-79-7
benzyl azide

: dimethyl 2,7-bis((4-(1-benzyl-1H-1,2,3-triazol-4-yl)phenyl)ethynyl)-4a'H-spiro[fluorene-9,5'-pyrrolo[1,2-b]pyridazine]-6',7'-dicarboxylate

Guidance literature:: With copper(II) sulfate; sodium L-ascorbate; In N,N-dimethyl-formamide; at 20 ℃; for 6h;
DOI:10.1016/j.jphotochem.2016.05.025