5-(3-bromopropylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene

Base Information

• Chemical Name: 5-(3-bromopropylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene
• CAS No.: 3436-04-2
• Molecular Formula: C₁₈H₁₇Br
• Molecular Weight: 313.237
• Mol file: 3436-04-2.mol

Synonyms:5-(3-bromo-1-propylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene

Chemical Property of 5-(3-bromopropylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene

Chemical Property:

Purity/Quality:

5-(3-BROMO-PROPYLIDENE)-10,11-DIHYDRO-5H-DIBENZO[A,D]CYCLOHEPTENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-(3-bromopropylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene

There total 7 articles about 5-(3-bromopropylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene 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:

5-cyclopropyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ol (3241-97-2) → 5-(3-bromo-1-propylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene (3436-04-2)

Guidance literature:

With magnesium bromide; In diethyl ether; Reflux;

DOI:10.1016/j.bmcl.2010.11.029

Reference yield:

10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-one (1210-35-1) → 5-(3-bromo-1-propylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene (3436-04-2)

Guidance literature:

Multi-step reaction with 3 steps

1: NaNH₂, liq. NH₃ / toluene

2: H₂ / Pd-Al

3: aq. HBr, AcOH

With ammonia; hydrogen bromide; hydrogen; sodium amide; acetic acid; palladium; aluminium; In toluene;

DOI:10.1021/jm00333a050

Reference yield:

5-Hydroxy-5-<3-hydroxy-propinyl>-10,11-dihydro-5H-dibenzocyclohepten (14493-36-8) → 5-(3-bromo-1-propylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene (3436-04-2)

Guidance literature:

Multi-step reaction with 2 steps

1: H₂ / Pd-Al

2: aq. HBr, AcOH

With hydrogen bromide; hydrogen; acetic acid; palladium; aluminium;

DOI:10.1021/jm00333a050

upstream raw materials:

5-Hydroxy-5-(3-hydroxy-propyl)-10,11-dihydro-5H-dibenzocyclohepten

10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-one

1-[(3-bromopropoxy)methyl]-benzene

5-Hydroxy-5-<3-hydroxy-propinyl>-10,11-dihydro-5H-dibenzocyclohepten

Downstream raw materials:

5-<3-(N-Methyl-p-toluolsulfonamido)-propyliden>-10,11-dihydro-dibenzocyclohepten

3-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine

10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-one

N-(3-(10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ylidene)propyl)-4-cyanobenzenesulfonamide