- Product Name 2,2'-DIBROMO-1,1'-BINAPHTHYL
- cas 74866-28-7
- purity 99%
Pharmaceutical
2,2'-DIBROMO-1,1'-BINAPHTHYL
Quality manufacturer supply 2,2'-DIBROMO-1,1'-BINAPHTHYL 74866-28-7 in stock with high standard
- Molecular Formula: C20H12Br2
- Molecular Weight: 412.123
- Melting Point: 178-183 °C
- Boiling Point: 464.1 °C at 760 mmHg
- Flash Point: 273.6 °C
- PSA： 0.00000
- Density: 1.614 g/cm3
- LogP: 7.18500
74866-28-7 Relevant articles
Synthesis method of 2, 2 '-bisdiphenylphosphino-1, 1'-binaphthalene
-
, (2020/09/12)
The invention relates to a synthesis met...
Mixed er-NHC/phosphine Pd(ii) complexes and their catalytic activity in the Buchwald-Hartwig reaction under solvent-free conditions
Ageshina, Alexandra A.,Sterligov, Grigorii K.,Rzhevskiy, Sergey A.,Topchiy, Maxim A.,Chesnokov, Gleb A.,Gribanov, Pavel S.,Nechaev, Mikhail S.,Asachenko, Andrey F.,Bermeshev, Maxim V.,Melnikova, Elizaveta K.
supporting information, p. 3447 - 3452 (2019/04/30)
A series of novel (NHC)PdCl2-PR3 complex...
Reconnaissance of reactivity of an Ag(II)SO4 one-electron oxidizer towards naphthalene derivatives
Budniak, Adam K.,Masny, Micha?,Prezelj, Kristina,Grzeszkiewicz, Miko?aj,Gawraczyński, Jakub,Dobrzycki, ?ukasz,Cyrański, Micha? K.,Ko?miński, Wiktor,Mazej, Zoran,Fija?kowski, Karol J.,Grochala, Wojciech,Leszczyński, Piotr J.
supporting information, p. 10742 - 10749 (2017/10/03)
We test divalent silver sulphate, Ag(ii)...
Highly sterically hindered binaphthalene-based monophosphane ligands: Synthesis and application in stereoselective Suzuki-Miyaura reactions
Meskova, Michaela,Putala, Martin
, p. 894 - 902 (2013/09/23)
A series of new sterically hindered (R)-...
74866-28-7 Process route
-
-
4488-22-6,18531-95-8
1,1'-binaphthalene-2,2'-diamine
-
-
74866-28-7,86688-08-6,150024-49-0
2,2'-dibromo-1,1'-binaphthyl
Conditions
| Conditions | Yield |
|---|---|
|
1,1'-binaphthalene-2,2'-diamine;
With
hydrogen bromide;
In
water;
at 20 ℃;
Large scale;
With
sodium nitrite;
In
water;
at -5 ℃;
for 0.5h;
Large scale;
With
hydrogen bromide; copper(I) bromide;
In
water;
at 70 ℃;
for 2.5h;
Large scale;
|
94%
|
-
-
602-09-5
1,1'-bi-2-naphthol
-
-
74866-28-7,86688-08-6,150024-49-0
2,2'-dibromo-1,1'-binaphthyl
Conditions
| Conditions | Yield |
|---|---|
|
With
triphenylphosphine dibromide 1:1 addition complex;
at 320 ℃;
|
45%
|
|
With
triphenylphosphine dibromide 1:1 addition complex;
at 320 ℃;
|
45%
|
|
1,1'-bi-2-naphthol;
With
bromine; triphenylphosphine;
In
acetonitrile;
at 60 ℃;
for 0.5h;
at 240 - 320 ℃;
for 2.5h;
|
45%
|
|
With
bromine; triphenylphosphine;
In
acetonitrile;
at 320 ℃;
|
39%
|
|
1,1'-bi-2-naphthol;
With
bromine; triphenylphosphine;
In
acetonitrile;
at 60 ℃;
for 0.5h;
In
melt;
at 260 - 320 ℃;
for 2.5h;
|
21%
|
|
Multi-step reaction
with
2
steps
1.1: ammonia; sodium hydrogencarbonate / water / 150 °C / Large scale
2.1: hydrogen bromide / water / 20 °C / Large scale
2.2: 0.5 h / -5 °C / Large scale
2.3: 2.5 h / 70 °C / Large scale
With
ammonia; hydrogen bromide; sodium hydrogencarbonate;
In
water;
1.1: |Bucherer Carbazole Synthesis / 2.1: |Sandmeyer Reaction;
|
74866-28-7 Upstream products
-
580-13-2
2-bromonaphthalene
-
156568-04-6
2,2'-bis(trimethylsiloxy)-1,1'-bi-2-naphthyl
-
1034-39-5
dibromotriphenylphosphorane
-
602-09-5
1,1'-bi-2-naphthol
74866-28-7 Downstream products
-
100165-87-5
2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl dioxide
-
139139-84-7
(+/-)-2,2'-bis(dicyclohexylphosphinyl)-1,1'-binaphthyl
-
139139-84-7
(R)-(-)-2,2'-bis(dicyclohexylphosphinoyl)-1,1'-binaphthyl
-
139139-84-7
(S)-(+)-2,2'-bis(dicyclohexylphosphinoyl)-1,1'-binaphthyl
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