827-94-1

Basic information

• Product Name: 2,6-Dibromo-4-nitroaniline
• Synonyms: TIMTEC-BB SBB007584;2,6-dibromo-4-nitro-anilin;2,6-dibromo-4-nitro-benzenamin;2,6-DIBROMO-P-NITROANILINE;2,6-DIBROMO-4-NITROANILINE;2,6-dibromo-4-nitrobenzenamine;AKOS B015999;2,6-Dibromo-4-nitro-phenylamine
• CAS NO: 827-94-1
• Molecular Formula: C₆H₄Br₂N₂O₂
• Molecular Weight: 295.92
• EINECS: 212-577-8
• Product Categories: Intermediates of Dyes and Pigments;API intermediates;Anilines, Amides & Amines;Bromine Compounds;Nitro Compounds;Amines;C2 to C6;Nitrogen Compounds
• Mol File: 827-94-1.mol
• Article Data: 33

Chemical Properties

• Melting Point: 205-207 °C(lit.)
• Boiling Point: 207°C (rough estimate)
• Flash Point: 175.6 °C
• Appearance: yellow powder
• Density: 2.2265 (rough estimate)
• Vapor Pressure: 1.43E-05mmHg at 25°C
• Refractive Index: 1.6220 (estimate)
• PKA: -3.43±0.20(Predicted)
• Stability: Stable. Incompatible with strong oxidizing agents, acids and acid chlorides, chloroformates.
• BRN: 2110915
• CAS DataBase Reference: 2,6-Dibromo-4-nitroaniline(CAS DataBase Reference)
• NIST Chemistry Reference: 2,6-Dibromo-4-nitroaniline(827-94-1)
• EPA Substance Registry System: 2,6-Dibromo-4-nitroaniline(827-94-1)

Safety Data

• Hazard Codes: Xn,Xi
• Statements: 20/21/22-36/37/38
• Safety Statements: 36-37/39-26
• RIDADR: 2811
• WGK Germany: 3
• RTECS: BX2599000
• TSCA: Yes
• Hazardous Substances Data: 827-94-1(Hazardous Substances Data)

Usage

Chemical Properties

yellow powder

Uses

Different sources of media describe the Uses of 827-94-1 differently. You can refer to the following data:
1. 2,6-Dibromo-4-nitroaniline is an intermediate in the synthesis of PBB 180 (P215190), a brominated biphenyls that can be used as a flame retardant and often incorporated into consumer products including appliances, electronics and plastics.
2. 2,6-Dibromo-4-nitroaniline has been used in the synthesis of:blue disperse dyes7-bromo-5-iodo-4-oxo-1,4-dihydroquinoline-2-carboxylic aciddiphenols-amides such as N-(2,6-dibromo-4-nitrophenyl)-4,4-bis(4-hydroxyphenyl)-pentanamide and N-(2,6-diiodo-4-nitrophenyl)-4,4-bis(4-hydroxyphenyl)-pentanamide

InChI:InChI=1/C6H4Br2N2O2/c7-4-1-3(10(11)12)2-5(8)6(4)9/h1-2H,9H2

Synthetic route

4-nitro-aniline (100-01-6) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With bromine In acetic acid	98%
With N-Bromosuccinimide; lithium perchlorate; silica gel In dichloromethane at 20℃; for 0.0833333h;	98%
With hydrogenchloride; brominating reagent In dichloromethane; water at 28℃; for 0.75 - 1h;	98.7%

2-bromo-4-nitroaniline (13296-94-1) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With bromine In tetrachloromethane at 20℃; Cooling with ice;	87%
With bromine; acetic acid

4-nitro-aniline (100-01-6) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2-bromo-4-nitroaniline (13296-94-1)

Conditions	Yield
With dihydrogen peroxide; potassium bromide In water; acetonitrile	A 13% B 84%
With N-Bromosuccinimide In water at 20℃; for 8h;
With sodium persulfate; copper(ll) sulfate pentahydrate; sodium bromide In water; acetonitrile at 7 - 25℃; for 24h; Overall yield = 98 percent; Overall yield = 1.5 g; regioselective reaction;	A 2 %Chromat. B 98 %Chromat.

2,6-dibromo-N-nitroaniline (54381-71-4) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With trifluoroacetic acid-d1 In chloroform-d1 at 30℃; Rate constant; Mechanism; kinetic isotope effect;
With sulfuric acid; acetic acid

2,6-dibromo-N-nitroaniline (54381-71-4) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6)

Conditions	Yield
With hydrogenchloride; ethanol
With hydrogenchloride; acetic acid
With sulfuric acid; acetic acid
With ethanol; sulfuric acid

2,4,6-tribromo-N-nitro-aniline (20020-19-3) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With sulfuric acid; acetic acid at 20 - 30℃;

2,4,6-tribromo-N-nitro-aniline (20020-19-3) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6)

Conditions	Yield
With hydrogenchloride; water
With sulfuric acid; water
With ethanol; sulfuric acid

1,3-dibromo-2-methoxy-5-nitrobenzene (31106-74-8) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With ethanol; ammonia at 180℃;

1,2,3-tribromo-5-nitrobenzene (3460-20-6) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With ethanol; ammonia at 150℃;

2,4,6-tribromoaniline (147-82-0) → 2,4,6-tribromo-N-nitro-aniline (20020-19-3) + 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With nitric acid; acetic acid

2,4,6-tribromoaniline (147-82-0) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With nitric acid; acetic acid

bromine (7726-95-6) + 4-nitro-aniline (100-01-6) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2-bromo-4-nitroaniline (13296-94-1)

2,4,6-tribromo-N-nitro-aniline (20020-19-3) + sulfuric acid (7664-93-9) + acetic acid (64-19-7) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
wendet man die Schwefelsaeure in geringer Verduennung an;
at 20 - 30℃;

2,6-dibromo-N-nitroaniline (54381-71-4) + mineral acid → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6)

hydrogenchloride (7647-01-0) + ethanol (64-17-5) + 2,4,6-tribromo-N-nitro-aniline (20020-19-3) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6) + bromine (7726-95-6)

hydrogenchloride (7647-01-0) + 2,4,6-tribromo-N-nitro-aniline (20020-19-3) + water (7732-18-5) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6) + bromine (7726-95-6)

hydrogenchloride (7647-01-0) + 2,4,6-tribromo-N-nitro-aniline (20020-19-3) + acetic acid (64-19-7) → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6) + bromine (7726-95-6)

2.6-dibromo-4-sulfo-diazobenzenoic acid → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
With hydrogenchloride

1,3-dibromo-2-methoxy-5-nitrobenzene (31106-74-8) + ammonia (7664-41-7) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
at 180℃;

1,2,3-tribromo-5-nitrobenzene (3460-20-6) + ammonia (7664-41-7) → 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
at 120℃;

2,4,6-tribromoaniline (147-82-0) + nitric acid (7697-37-2) + acetic acid (64-19-7) → 2,4,6-tribromo-N-nitro-aniline (20020-19-3) + 2,6-dibromo-4-nitroaniline (827-94-1)

Conditions	Yield
und Erwaermen 20-30 Minuten auf dem Wasserbade;

4.6-dibromo-diazobenzenoic acid → 2,6-dibromo-4-nitroaniline (827-94-1) + 2,4-dibromo-6-nitroaniline (827-23-6)

Conditions	Yield
With ethanol; sulfuric acid

1,3-dibromo-2,5-dinitrobenzene (20024-98-0) + ammonia (7664-41-7) → 2,6-dibromo-4-nitroaniline (827-94-1)

2-bromo-4-nitroaniline (13296-94-1) + bromine (7726-95-6) + acetic acid (64-19-7) → 2,6-dibromo-4-nitroaniline (827-94-1)

2-amino-5-nitro-benzenesulfonic acid (96-75-3) + bromine water → 2,6-dibromo-4-nitroaniline (827-94-1)

nitroaminophenylarsonic acid (55101-01-4) + bromine water + alkali → 2,6-dibromo-4-nitroaniline (827-94-1)

2,6-dibromo-4-nitroaniline (827-94-1) + 4-methylphenylboronic acid (5720-05-8) → 2,6-bis(4-methylphenyl)-4-nitroaniline (1426332-50-4)

Conditions	Yield
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; N,N-dimethyl-formamide at 80℃; for 0.25h; Suzuki Coupling;	99%

2,6-dibromo-4-nitroaniline (827-94-1) + 4-fluoroboronic acid (1765-93-1) → 2,6-bis(4-fluorophenyl)-4-nitroaniline (1426332-52-6)

Conditions	Yield
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; N,N-dimethyl-formamide at 80℃; for 0.333333h; Suzuki Coupling;	99%

2,6-dibromo-4-nitroaniline (827-94-1) + 4-formylphenylboronic acid, (87199-17-5) → 2,6-bis(4-formylphenyl)-4-nitroaniline (1426332-51-5)

Conditions	Yield
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; N,N-dimethyl-formamide at 80℃; for 1h; Suzuki Coupling;	98%

2,6-dibromo-4-nitroaniline (827-94-1) → 3,5-dibromonitrobenzene (6311-60-0)

Conditions	Yield
With sulfuric acid; sodium nitrite In ethanol	97%
With sulfuric acid; sodium nitrite In ethanol for 3h; Heating;	94%
With sulfuric acid; sodium nitrite In ethanol for 3.25h; Heating / reflux;	93%

2,6-dibromo-4-nitroaniline (827-94-1) → 1,4-diamino-3,5-dibromobenzene (29213-03-4)

Conditions	Yield
Stage #1: 2,6-dibromo-4-nitroaniline With tin(ll) chloride In tetrahydrofuran; ethanol at 50℃; for 16h; Inert atmosphere; Stage #2: With sodium hydroxide In tetrahydrofuran; ethanol at 25℃; for 2.5h; Inert atmosphere;	97%
With hydrazine hydrate; Ru-carbon In ethanol for 2h; Heating;	95%
With iron; acetic acid at 20℃; Inert atmosphere;	80%

o-benzenedisulfonimide (4482-01-3) + 2,6-dibromo-4-nitroaniline (827-94-1) → 2,6-dibromo-4-nitrobenzenediazonium o-benzenedisulfonimide

Conditions	Yield
With acetic acid; isopentyl nitrite at 0 - 5℃;	97%

2,6-dibromo-4-nitroaniline (827-94-1) + (3,4-difluorophenyl)boronic acid (168267-41-2) → 2,6-bis(3,4-difluorophenyl)-4-nitroaniline (1426332-53-7)

Conditions	Yield
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; N,N-dimethyl-formamide at 80℃; for 0.416667h; Suzuki Coupling;	97%

2,6-dibromo-4-nitroaniline (827-94-1) + 2-Bromoacetyl bromide (598-21-0) → 2-bromo-N-(2,6-dibromo-4-nitrophenyl)acetamide (1114572-04-1)

Conditions	Yield
In N,N-dimethyl-formamide at 20 - 60℃;	96%

2,6-dibromo-4-nitroaniline (827-94-1) + phenylboronic acid (98-80-6) → 5'-nitro-1,1':3',1''-terphenyl-2'-ylamine (203051-59-6)

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol; water for 14h; Heating;	95%
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; N,N-dimethyl-formamide at 80℃; for 1h; Suzuki Coupling;	94%
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; benzene for 48h; Suzuki reaction; Heating;	55%

2,6-dibromo-4-nitroaniline (827-94-1) + 4-tert-butylphenylboronic acid (123324-71-0) → 2,6-di(4-tert-butylphenyl)-4-nitroaniline

Conditions	Yield
With tetrabutylammomium bromide; palladium diacetate; sodium carbonate In water at 150℃; for 0.5h; Suzuki Coupling; Inert atmosphere;	94%

2,6-dibromo-4-nitroaniline (827-94-1) + 4-n-methylphenylacetylene (766-97-2) → 4-nitro-2,6-bis-p-tolylethynyl-phenylamine (473933-34-5)

Conditions	Yield
With triethylamine; tetrakis(triphenylphosphine) palladium(0) In benzene at 70℃; for 22h; Sonogashira coupling;	92%

2,6-dibromo-4-nitroaniline (827-94-1) + m-acetylamino-N,N-diethylanilne (6375-46-8) → N-(2-(2,6-dibromo-4-nitrophenylazo)-5-(diethylamino)phenyl)acetamide

Conditions	Yield
Stage #1: 2,6-dibromo-4-nitroaniline With tert.-butylnitrite; naphthalene-1,5-disulfonate In 1,2-dimethoxyethane at 20℃; for 1h; Stage #2: m-acetylamino-N,N-diethylanilne With sodium carbonate; naphthalene-1,5-disulfonate In water at 0℃; for 0.166667h; pH=4 - 6;	90.45%
Stage #1: 2,6-dibromo-4-nitroaniline With naphthalene-1,5-disulfonate In ethyl acetate at 50℃; for 0.166667h; Stage #2: With tert.-butylnitrite In ethyl acetate at 25℃; for 0.333333h; Stage #3: m-acetylamino-N,N-diethylanilne With hydrogenchloride In water at 0 - 5℃; for 0.1h;

2,6-dibromo-4-nitroaniline (827-94-1) → C6H2Br2N3O2(1+)*BF4(1-)

Conditions	Yield
With tetrafluoroboric acid; acetic acid; isopentyl nitrite In water at 20℃; for 0.0833333h;	89%

2,6-dibromo-4-nitroaniline (827-94-1) + 2,5-hexanedione (110-13-4) → 2,6-dibromo-4-(2,5-dimethyl-1H-pyrrol-1-yl)aniline + 1,1'-(2,6-dibromo-1,4-phenylene)bis(2,5-dimethyl-1H-pyrrole)

Conditions	Yield
With indium; acetic acid In toluene at 80℃; for 6h; Inert atmosphere;	A 88% B 2%

2,6-dibromo-4-nitroaniline (827-94-1) → 1,3-dibromo-2,5-dinitrobenzene (20024-98-0)

Conditions	Yield
With dihydrogen peroxide; trifluoroacetic acid at 72℃; for 0.5h;	85%
With dihydrogen peroxide; trifluoroacetic acid

2,6-dibromo-4-nitroaniline (827-94-1) → 1,3-dibromo-2-iodo-5-nitrobenzene (98137-96-3)

Conditions	Yield
Stage #1: 2,6-dibromo-4-nitroaniline With sulfuric acid; sodium nitrite In acetic acid at 20℃; for 4h; Stage #2: With iodine; potassium iodide In water; acetic acid at 20℃; for 12h;	80%
With nitrosylsulfuric acid; sulfuric acid Diazotization.Behandlung der Diazoniumsalz-Loesung mit KI in Wasser;
ueber die Diazoverbindung;
With sulfuric acid; acetic acid Diazotization.Behandlung der Diazoniumsalz-Loesung mit KI in Wasser;
Multi-step reaction with 3 steps 1: 97 percent / i-pentyl nitrite; HOAc / 0 - 5 °C 2: 94 percent / aq. NaOH / 0.5 h / 0 - 5 °C 3: 79 percent / aq. HI / acetonitrile / 13 h / 60 °C View Scheme

2,6-dibromo-4-nitroaniline (827-94-1) + (1R,2R)-N,N-dimethylcyclohexane-1,2-diamine (320778-92-5) + 1,1'-carbonyldiimidazole (530-62-1) → C15H20Br2N4O3 (1365611-36-4)

Conditions	Yield
Stage #1: 2,6-dibromo-4-nitroaniline With potassium hydride In tetrahydrofuran at 0℃; for 0.25h; Inert atmosphere; Stage #2: 1,1'-carbonyldiimidazole In tetrahydrofuran; 1,4-dioxane at 0 - 20℃; Inert atmosphere; Stage #3: (1R,2R)-N,N-dimethylcyclohexane-1,2-diamine In tetrahydrofuran; 1,4-dioxane at 20℃; for 20h; Inert atmosphere;	80%

2,6-dibromo-4-nitroaniline (827-94-1) + 2-(2'-anthraquinonylamino-3'-hydroxy)-4-anilino-6-chloro-s-triazine (1395499-28-1) → C29H17Br2N7O5 (1395499-24-7)

Conditions	Yield
In nitrobenzene at 60 - 65℃; for 5h;	80%

2,6-dibromo-4-nitroaniline (827-94-1) → 1,2,3-tribromo-5-nitrobenzene (3460-20-6)

Conditions	Yield
Stage #1: 2,6-dibromo-4-nitroaniline With hydrogen bromide; sodium nitrite In water at 0℃; for 2h; Stage #2: With urea for 0.333333h; Stage #3: With hydrogen bromide; copper(I) bromide at 0℃; for 2.25h;	75%
With nitric acid Diazotization.Faellen mit Brom-Bromkalium in Bromwasserstoffsaeure und Kochen des Reaktionsprodukts mit Alkohol;
With hydrogen bromide Behandeln mit Natriumnitrit;

2,6-dibromo-4-nitroaniline (827-94-1) + 3,4,5-trifluorophenylboronic acid (143418-49-9) → 2,6-bis(3,4,5-trifluorophenyl)-4-nitroaniline (1426332-54-8)

Conditions	Yield
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; N,N-dimethyl-formamide at 80℃; for 0.333333h; Suzuki Coupling;	75%

2,6-dibromo-4-nitroaniline (827-94-1) → 2-bromo-p-phenylenediamine (13296-69-0)

Conditions	Yield
With ammonium chloride; zinc In ethanol for 12h; Heating;	67%

2-oxo-2H-chromene-3-carboxylic acid (531-81-7) + 2,6-dibromo-4-nitroaniline (827-94-1) → N-(2,6-dibromo-4-nitrophenyl)-2-oxo-2H-chromene-3-carboxamide

Conditions	Yield
Stage #1: 2-oxo-2H-chromene-3-carboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h; Stage #2: 2,6-dibromo-4-nitroaniline With triethylamine In dichloromethane at 20℃; for 12h;	66%

2,6-dibromo-4-nitroaniline (827-94-1) + 1-phenylpentane-1,4-dione (583-05-1) → 2,6-dibromo-4-(2-methyl-5-phenyl-1H-pyrrol-1-yl)aniline

Conditions	Yield
With indium; acetic acid In toluene for 8h; Inert atmosphere; Reflux;	63%

2-octadecyloxy-1-naphthol (138555-73-4) + 2-Methylpentane (107-83-5) + sulfuric acid (7664-93-9) + 2,6-dibromo-4-nitroaniline (827-94-1) + sodium acetate trihydrate (6131-90-4) → 4-[(2,6-dibromo-4-nitrophenyl)azo]-2-octadecyloxy-1-naphthol

Conditions	Yield
With sodium acetate; sodium nitrite In dichloromethane; chloroform; phosphorus pentoxide; acetic acid	55.5%

2,6-dibromo-4-nitroaniline (827-94-1) + 1-phenylpentane-1,4-dione (583-05-1) → C17H12Br2N2O2

Conditions	Yield
With magnesium sulfate; toluene-4-sulfonic acid In toluene for 24h; Paal-Knorr Pyrrole Synthesis; Reflux; Inert atmosphere;	13%

chloroform (67-66-3) + 2,6-dibromo-4-nitroaniline (827-94-1) → 2,6-Dibromo-4-nitrophenyl isocyanide (255842-11-6) + N-(2,6-Dibromo-4-nitrophenyl)formamide (255842-05-8)

Conditions	Yield
With potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; water In dichloromethane at 20℃; Addition; Hydrolysis;	A 8% B n/a

Upstream product

• 100-01-6 4-nitro-aniline 
• 20024-98-0 1,3-dibromo-2,5-dinitrobenzene 
• 7664-41-7 ammonia 
• 13296-94-1 2-bromo-4-nitroaniline 
• 7726-95-6 bromine 
• 64-19-7 acetic acid 
• 96-75-3 2-amino-5-nitro-benzenesulfonic acid 
• 55101-01-4 nitroaminophenylarsonic acid 
• 7647-01-0 hydrogenchloride 
• 64-17-5 ethanol 
• 84483-37-4 2,6-dibromo-4,N-dinitro-aniline 
• 29787-47-1 5-(4-nitro-anilino)-penta-2,4-dienal-(4-nitro-phenylimine); hydrobromide 
• 5228-61-5 5-bromo-2-nitroaniline 
• 108-36-1 1,3-dibromobenzene 

Downstream Products

• 6311-60-0 3,5-dibromonitrobenzene 
• 585-79-5 m-nitrobromobenzene 
• 3460-20-6 1,2,3-tribromo-5-nitrobenzene 
• 20024-98-0 1,3-dibromo-2,5-dinitrobenzene 
• 98137-96-3 1,3-dibromo-2-iodo-5-nitrobenzene 
• 29213-03-4 1,4-diamino-3,5-dibromobenzene 
• 20098-47-9 1,3-dibromo-2-chloro-5-nitro-benzene 
• 98556-20-8 methyl 2,6-dibromo-4-nitrophenyl sulphide 
• 84317-73-7 1-(2,6-dibromo-4-nitro-phenylazo)-[2]naphthol 
• 32701-42-1 benzoic acid-(2,6-dibromo-4-nitro-anilide) 
• 72990-88-6 4-(2,6-dibromo-4-nitro-phenylazo)-3,5-diphenyl-isoxazole 
• 473933-34-5 4-nitro-2,6-bis-p-tolylethynyl-phenylamine 
• 1114572-04-1 N-(2,6-dibromo-4-nitrophenyl)-2-bromoacetamide 
• 203051-51-8 S-(2,4-Dichloro-phenyl)-N-(5'-nitro-[1,1';3',1'']terphenyl-2'-yl)-thiohydroxylamine 

Relevant articles and documents

A Practical Procedure for Regioselective Bromination of Anilines

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Method of catalytically synthesizing polybromo-aniline in water phase

The invention discloses a method of catalytically synthesizing polybromo-aniline in a water phase. The method comprises following steps: adding a catalytic amount of a free radical initiator, aniline derivatives, cheap and low-toxic bromine salts, and water into a reactor; carrying out reactions in a photocatalytic reaction instrument under power of 5W at a room temperature; after a while, extracting the reaction product by ethyl acetate, and carrying out recrystallization to obtain polybromo-aniline; wherein the free radical initiator is eosin, sodium persulfate, or potassium persulfate. The power of the incandescent lamp of the photocatalytic reaction instrument is 5W. The free radical initiator and bromine salts are cheap and easily available. The method is an ideal synthesis method of polybromo-aniline. Cheap and low-toxic bromine salts are used to replace liquid bromine. The cheap and easily available free radical initiator is used to replace unstable and explosive hydrogen peroxide. After 4 to 10 hours of reactions under the power of 5W, polybromo-aniline can be synthesized, the yield and the reaction selectivity are high, the byproducts are few, and the post treatment is simple.

A Cu(II)-MOF capable of fixing CO2 from air and showing high capacity H2 and CO2 adsorption

A porous Cu(ii)-MOF shows an adsorption of 6.6 wt% of H2 at 77 K and 62 bar and a very high 60 wt% of CO2 at 298 K and 32 bar. When air is bubbled into a suspension of the activated MOF in the presence of different epoxides at room temperature, the CO2 in air is readily converted into the corresponding cyclic carbonates.