2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

Base Information

Chemical Name:2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene
CAS No.:272458-15-8
Molecular Formula:C₃₁H₁₈Br₂N₂
Molecular Weight:578.305
Hs Code.:

Synonyms:2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

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Chemical Property of 2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

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Technology Process of 2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

There total 6 articles about 2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene 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: 45.0%

: 245-37-4
4,5-diazafluorene

: 272458-06-7
2,7-Dibromo-9-[bromo(phenyl)methylene]-9H-fluorene

: 272458-15-8
2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

Guidance literature:: With potassium tert-butylate; In N,N-dimethyl-formamide; at 20 ℃;

Reference yield:

: 50890-67-0
4,5-Diazafluoren-9-one

: 272458-15-8
2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

Guidance literature:: Multi-step reaction with 2 steps

1: 75 percent / NH₂NH₂*H₂O / 6 h / 180 °C

2: 45 percent / t-BuOK / dimethylformamide / 20 °C

With potassium tert-butylate; hydrazine hydrate; In N,N-dimethyl-formamide; 1: Reduction / 2: Substitution;

Reference yield:

: 16433-88-8
2,7-dibromo-9H-fluorene

: 272458-15-8
2,7-Dibromo-9-[(9H-4,5-diazafluoren-9-ylidene)phenylmethyl]-9H-fluorene

Guidance literature:: Multi-step reaction with 4 steps

1: 83 percent / KOH / ethanol / 0.5 h / Heating

2: 85 percent / Br₂ / acetic acid / 20 °C

3: 69 percent / AcOH / 2 h / Heating

4: 45 percent / t-BuOK / dimethylformamide / 20 °C

With potassium hydroxide; potassium tert-butylate; bromine; acetic acid; In ethanol; acetic acid; N,N-dimethyl-formamide; 1: Condensation / 2: Bromination / 3: Dehydrobromination / 4: Substitution;