dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

Base Information

Chemical Name:dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate
CAS No.:1383545-92-3
Molecular Formula:C₂₆H₂₈O₅
Molecular Weight:420.505
Hs Code.:

Synonyms:dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

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Chemical Property of dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

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Technology Process of dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

There total 5 articles about dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-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: 70.0%

: 1383545-74-1
dimethyl 2-(5-(tert-butyl)-2-((3-phenylprop-2-yn-1-yl)oxy)phenyl)cyclopropane-1,1-dicarboxylate

: 1383545-92-3
dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

Guidance literature:: With scandium tris(trifluoromethanesulfonate); In 1,1-dichloroethane; at 75 ℃; for 6h; Molecular sieve;
DOI:10.1002/asia.201200104

Reference yield:

: 1206483-29-5
C₁₄H₁₆O₂

: 1383545-92-3
dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / Inert atmosphere

2: piperidine / chloroform / Reflux

3: sodium hydride / dimethyl sulfoxide / 3 h / 0 - 50 °C / Inert atmosphere

4: scandium tris(trifluoromethanesulfonate) / 1,1-dichloroethane / 6 h / 75 °C / Molecular sieve

With piperidine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; sodium hydride; triethylamine; scandium tris(trifluoromethanesulfonate); In tetrahydrofuran; 1,1-dichloroethane; chloroform; dimethyl sulfoxide;
DOI:10.1002/asia.201200104

Reference yield:

: C₂₀H₂₀O₂

: 1383545-92-3
dimethyl 8-(tert-butyl)-3-phenyl-1,9b-dihydrocyclopenta[c]chromene-2,2(4H)-dicarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: piperidine / chloroform / Reflux

2: sodium hydride / dimethyl sulfoxide / 3 h / 0 - 50 °C / Inert atmosphere

3: scandium tris(trifluoromethanesulfonate) / 1,1-dichloroethane / 6 h / 75 °C / Molecular sieve

With piperidine; sodium hydride; scandium tris(trifluoromethanesulfonate); In 1,1-dichloroethane; chloroform; dimethyl sulfoxide;
DOI:10.1002/asia.201200104