2,7-BIS[(4-CHLOROPHENYL)METHYLENE]CYCLOHEPTANONE

Base Information

• Chemical Name: 2,7-BIS[(4-CHLOROPHENYL)METHYLENE]CYCLOHEPTANONE
• CAS No.: 140401-79-2
• Molecular Formula: C21H18Cl2O
• Molecular Weight: 357.279
• Mol file: 140401-79-2.mol

Synonyms:2,7-Bis-[1-(4-chloro-phenyl)-meth-(E)-ylidene]-cycloheptanone;(E,E)-2,7-bis(4-chlorobenzylidene)cycloheptanone;

Chemical Property of 2,7-BIS[(4-CHLOROPHENYL)METHYLENE]CYCLOHEPTANONE

Chemical Property:

• PSA: 17.07000
• LogP: 6.60350

Purity/Quality:

2,7-BIS[(4-CHLOROPHENYL)METHYLENE]CYCLOHEPTANONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
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Technology Process of 2,7-BIS[(4-CHLOROPHENYL)METHYLENE]CYCLOHEPTANONE

There total 3 articles about 2,7-BIS[(4-CHLOROPHENYL)METHYLENE]CYCLOHEPTANONE 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: 94.0%

4-chlorobenzaldehyde (104-88-1) + cycloheptanone (502-42-1) → (2E,7E)-2,7-bis(4-chlorobenzylidene)cycloheptanone (140401-79-2)

Guidance literature:

With silicaphosphinoxide (silphox, [POCl_3-n(SiO₂)_n]); at 80 ℃; for 0.5h; Neat (no solvent);

DOI:10.1080/00397910903457282

Reference yield:

4-chlorobenzaldehyde (104-88-1) → (2E,7E)-2,7-bis(4-chlorobenzylidene)cycloheptanone (140401-79-2)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium hydroxide / ethanol

2: sodium hydroxide / ethanol

With sodium hydroxide; In ethanol;

DOI:10.1007/s00044-013-0649-6

Reference yield:

(2E,6E)-2,6-bis(4-chlorobenzylidene)cyclohexanone (18989-82-7,42792-80-3) + cycloheptanone (502-42-1) → (2E,7E)-2,7-bis(4-chlorobenzylidene)cycloheptanone (140401-79-2)

Guidance literature:

With sodium hydroxide; In ethanol;

DOI:10.1007/s00044-013-0649-6

upstream raw materials:

4-chlorobenzaldehyde

cycloheptanone

(2E,6E)-2,6-bis(4-chlorobenzylidene)cyclohexanone

Downstream raw materials:

2,7-bis-(4-chloro-phenyl)-1,6-dioxa-dispiro[2.1.2.4]undecan-4-one

(E)-ethyl 10-(4-chlorobenzylidene)-5-(4-chlorophenyl)-5,6,7,8,9,10-hexahydrocyclohepta[d]thiazolo[3,2-a]pyrimidine-3-carboxylate

(E)-10-(4-chlorobenzylidene)-5-(4-chlorophenyl)-2-methyl-5,6,7,8,9,10-hexahydrocyclohepta[d]thiazolo[3,2-a]pyrimidine

(E)-ethyl 10-(4-chlorobenzylidene)-5-(4-chlorophenyl)-3-methyl-5,6,7,8,9,10-hexahydrocyclohepta[d]thiazolo[3,2-a]pyrimidine-2-carboxylate

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