7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

Base Information

Chemical Name:7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester
CAS No.:152609-62-6
Molecular Formula:C₃₂H₃₈O₆
Molecular Weight:518.65
Hs Code.:

Synonyms:7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

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Chemical Property of 7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

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Technology Process of 7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

There total 7 articles about 7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester 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: 49.0%

: 152609-61-5
7-<3-<<2-(benzyloxy)-5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

: 152609-62-6
7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

Guidance literature:: With hydrogen; palladium on activated charcoal; In ethyl acetate; under 760 Torr; Ambient temperature;
DOI:10.1021/jm00022a006

Reference yield:

: 29682-12-0
1-[4-(benzyloxy)-2-hydroxyphenyl]ethanone

: 152609-62-6
7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: 82 percent / K₂CO₃ / dimethylsulfoxide; butan-2-one / 24 h / Heating

2: 69 percent / trifluoroacetic acid, triethylsilane / CCl₄ / 1.5 h / Ambient temperature

3: 73 percent / N-bromosuccinimide / CCl₄ / 6 h / Ambient temperature

4: NaI / butan-2-one / 6 h / Heating

5: 1.) NaH, 2.) 18-crown-6 / 1.) DMF, RT, 30 min, 2.) DMF, RT, 1.5 h

6: 64 percent / Pd(PPh₃)4, aq. Na₂CO₃ / ethanol; benzene / 16 h / Heating

7: 49 percent / H₂ / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature

With triethylsilane; N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; 18-crown-6 ether; hydrogen; sodium hydride; sodium carbonate; potassium carbonate; trifluoroacetic acid; sodium iodide; palladium on activated charcoal; In tetrachloromethane; ethanol; dimethyl sulfoxide; ethyl acetate; butanone; benzene;
DOI:10.1021/jm00022a006

Reference yield:

: 152609-59-1
1-benzyloxy-4-ethyl-3-(3-chloro-1-propyloxy)-benzene

: 152609-62-6
7-<3-<<5-ethyl-<1,1'-biphenyl>-4-yl>oxy>propoxy>-3,4-dihydro-8-propyl-2H-1-benzopyran-2-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 73 percent / N-bromosuccinimide / CCl₄ / 6 h / Ambient temperature

2: NaI / butan-2-one / 6 h / Heating

3: 1.) NaH, 2.) 18-crown-6 / 1.) DMF, RT, 30 min, 2.) DMF, RT, 1.5 h

4: 64 percent / Pd(PPh₃)4, aq. Na₂CO₃ / ethanol; benzene / 16 h / Heating

5: 49 percent / H₂ / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature

With N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; 18-crown-6 ether; hydrogen; sodium hydride; sodium carbonate; sodium iodide; palladium on activated charcoal; In tetrachloromethane; ethanol; ethyl acetate; butanone; benzene;
DOI:10.1021/jm00022a006