7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

Base Information

Chemical Name:7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one
CAS No.:89756-83-2
Molecular Formula:C₂₁H₁₅Cl₃O₃S
Molecular Weight:453.773
Hs Code.:

Synonyms:7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

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Chemical Property of 7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

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Technology Process of 7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

There total 4 articles about 7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one 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: 79.0%

: 107-21-1
ethylene glycol

: 89756-72-9
7-chloro-3-(2,4-dichlorophenyl)-3,4-dihydro-1H-thioxanthene-1,9(2H)dione

: 89756-83-2
7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

Guidance literature:: toluene-4-sulfonic acid; In toluene; for 20h; Heating;
DOI:10.1002/jhet.5570200628

Reference yield:

: 89756-73-0
3-bromo-5-(2,4-dichlorophenyl)-2-cyclohexen-1-one

: 89756-83-2
7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

Guidance literature:: Multi-step reaction with 3 steps

1: NaH (50percent dispersion in mineral oil) / dimethylformamide / 2 h / Ambient temperature

2: 51 percent / polyphosphoric acid / 72 h / 90 °C

3: 79 percent / p-toluenesulfonic acid / toluene / 20 h / Heating

With PPA; sodium hydride; toluene-4-sulfonic acid; In N,N-dimethyl-formamide; toluene;
DOI:10.1002/jhet.5570200628

Reference yield:

: 5-(2,4-dichlorophenyl)-1,3-cyclohexanedione

: 89756-83-2
7'-chloro-3'-(2,4-dichlorophenyl)-3',4'-dihydrospiro<1,3-dioxolane-2,1'<1H>thioxanthen>-9'(2'H)-one

Guidance literature:: Multi-step reaction with 4 steps

1: 80 percent / PBr₃ / CH₂Cl₂ / 2 h / Heating

2: NaH (50percent dispersion in mineral oil) / dimethylformamide / 2 h / Ambient temperature

3: 51 percent / polyphosphoric acid / 72 h / 90 °C

4: 79 percent / p-toluenesulfonic acid / toluene / 20 h / Heating

With PPA; phosphorus tribromide; sodium hydride; toluene-4-sulfonic acid; In dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1002/jhet.5570200628