9H-fluorene-9-carboxylic acid, 9-ethyl-, methyl ester

Base Information

Chemical Name:9H-fluorene-9-carboxylic acid, 9-ethyl-, methyl ester
CAS No.:32501-33-0
Molecular Formula:C₁₇H₁₆O₂
Molecular Weight:252.313
Hs Code.:

Synonyms:

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Chemical Property of 9H-fluorene-9-carboxylic acid, 9-ethyl-, methyl ester

Chemical Property:

Vapor Pressure:0mmHg at 25°C

Purity/Quality:

Safty Information:

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Technology Process of 9H-fluorene-9-carboxylic acid, 9-ethyl-, methyl ester

There total 12 articles about 9H-fluorene-9-carboxylic acid, 9-ethyl-, methyl 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:

: 486-25-9,952573-42-1
9-fluorenone

: 32501-33-0
methyl 9-ethyl-9-fluorenecarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: (i) Mg, THF, (ii) /BRN= 1636531/

2: Ba(OH)2 / dimethylformamide

3: (i) Na-K, THF, (ii) /BRN= 1900390/, (iii) /BRN= 102415/, BF₃-Et₂O, MeOH

With barium dihydroxide; In N,N-dimethyl-formamide;
DOI:10.1139/v71-271

Reference yield:

: 92496-21-4
9-hydroxy-9-vinylfluorene

: 32501-33-0
methyl 9-ethyl-9-fluorenecarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: Ba(OH)2 / dimethylformamide

2: (i) Na-K, THF, (ii) /BRN= 1900390/, (iii) /BRN= 102415/, BF₃-Et₂O, MeOH

With barium dihydroxide; In N,N-dimethyl-formamide;
DOI:10.1139/v71-271

Reference yield:

: 7029-48-3
9-ethyl-9H-fluoren-9-ol

: 32501-33-0
methyl 9-ethyl-9-fluorenecarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) n-BuLi / 1.) THF, hexane, -75 deg C to r.t.; 2.) THF, hexane, reflux, 3 d

2: 1.) Na-K eutectic alloy / 1.) Et₂O, reflux, 35 min; 2.) Et₂O, -20 to 0 deg C, 1 h then 15 deg C, 1 d

3: 1.) Li sand, CH₂BrCH₂Br; Hg; 2.) CO₂; 3.) CH₂N₂ / 1.) THF, -75 deg C, 60 min then 0 deg C, 3 h; 2.) THF

With diazomethane; n-butyllithium; potassium Sodium; carbon dioxide; lithium; ethylene dibromide; mercury;
DOI:10.1016/S0040-4020(01)90451-X