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Name	Dibenz[b,f]azepine-5-carbonyl chloride	EINECS	412-100-5
CAS No.	33948-22-0	Density	1.316 g/cm³
PSA	20.31000	LogP	4.73230
Solubility	N/A	Melting Point	149-153 °C(lit.)
Formula	C₁₅H₁₀ClNO	Boiling Point	413.7 °C at 760 mmHg
Molecular Weight	255.703	Flash Point	204 °C
Transport Information	UN 3261 8/PG 2	Appearance	light yellow or grey power
Safety	26-36/37/39-45	Risk Codes	34
Molecular Structure		Hazard Symbols	C
Synonyms	Iminostilbene carbonyl chloride;Iminostilbene-5-carbonyl chloride;5H-Dibenz[b,f]azepine-5-carbonylchloride;5-Chlorocarbonyl iminostilbene;	Article Data	19

Dibenz[b,f]azepine-5-carbonyl chloride Synthetic route

: 143667-53-2
10-Brom-5-chlorcarbonyl-5H-dibenzazepin

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
With tetraethylammonium perchlorate In water; N,N-dimethyl-formamide cathode: Hg, working potential: -1.60 V, charge: 2.0-2.1 F/mol, 4-5 h;	92%

: 33948-19-5
10,11-dihydro-dibenzo[b,f]azepine-5-carbonyl chloride

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
With sodium bromate; N-benzyl-N,N,N-triethylammonium chloride; bromine; dibenzoyl peroxide In chlorobenzene at 92 - 97℃; for 8.5h; Temperature; Reagent/catalyst;	90.5%
Multi-step reaction with 2 steps 1: Br2 / chlorobenzene / 1.5 h / 145 - 150 °C 2: chlorobenzene / 2 h / 150 - 155 °C View Scheme
With bromine In chlorobenzene at 80℃; for 6h; Temperature; Inert atmosphere;

: 256-96-2
dibenzoazepine

: 32315-10-9
bis(trichloromethyl) carbonate

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
With pyridine In 1,2-dichloro-ethane at 75℃; for 3h; Inert atmosphere;	75%
In toluene
With pyridine In ethyl acetate n-hexane; dichloromethane

: 40421-03-2, 56875-24-2
trans-10,11-dibromo-10,11-dihydro-5H-dibenzazepine-5-carbonyl chloride

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
In various solvent(s) at 25℃; for 24h;	65%
In d7-N,N-dimethylformamide at 25℃; for 24h; Product distribution; variation of reaction solvents, reactant and time;	65%

: 41359-12-0, 66849-41-0
trans-10-bromo-10,11-dihydro-11-hydroxy-5H-dibenzazepine-5-carbonyl chloride

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
With boron trifluoride diethyl etherate; recorcinol In chloroform at 10℃; for 7h;	50%

: 41359-12-0, 66849-41-0
trans-10-bromo-10,11-dihydro-11-hydroxy-5H-dibenzazepine-5-carbonyl chloride

A: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

: 40421-03-2, 56875-24-2
trans-10,11-dibromo-10,11-dihydro-5H-dibenzazepine-5-carbonyl chloride

Conditions

Conditions	Yield
With hydrogen bromide In chloroform at 10℃; for 1.5h; Product distribution; variaton of solvents and reactant;	A 35% B 38%
With hydrogen bromide In chloroform at 10℃; for 1.5h;	A 35% B 38%

: 75-44-5
phosgene

: 256-96-2
dibenzoazepine

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
In toluene for 0.5h;
In toluene for 5h;
In toluene; Petroleum ether; benzene
In toluene

: 41359-09-5
1a,10b-dihydro-6H-dibenzooxirenoazepine-6-carbonyl chloride

A: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

: 40421-03-2, 56875-24-2
trans-10,11-dibromo-10,11-dihydro-5H-dibenzazepine-5-carbonyl chloride

Conditions

Conditions	Yield
With hydrogen bromide In chloroform at 10℃; for 3h;

: 33948-20-8
10-bromo-10,11-dihydro-dibenzo[b,f]azepine-5-carbonyl chloride

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
In chlorobenzene at 150 - 155℃; for 2h;

: 41359-09-5
1a,10b-dihydro-6H-dibenzooxirenoazepine-6-carbonyl chloride

: 33948-22-0
5H-dibenz[b,f]azepine-5-carbonylchloride

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 0.55 g / HBr / CHCl3 / 1 h / 10 °C 2: 50 percent / BF3.Et2O, resorcinol / CHCl3 / 7 h / 10 °C View Scheme

Dibenz[b,f]azepine-5-carbonyl chloride Chemical Properties

Molecular Structure:

Molecular Formula: C₁₅H₁₀ClNO
Molecular Weight: 255.699
IUPAC Name: Benzo[b][1]benzazepine-11-carbonyl chloride
Synonyms of Dibenz[b,f]azepine-5-carbonyl chloride (CAS NO.33948-22-0): Chlorocarbonyl liminostilben ; Iminostilbene-5-carbonyl chloride ; Iminostilbene carbonyl chloride ; 5-chlorocarbonyl iminostilbene ; 5H-Dibenz[b,f]azepine-5-carbonyl chloride ; 5-(Chlorocarbonyl)-5H-dibenzo[b,f]azepine ; N-Chlorocarbonyliminostilbene
CAS NO: 33948-22-0
Product Categories: Heterocyclic Building Blocks ; N-Containing ; Others
Melting point: 149-153 °C
Index of Refraction: 1.651
Molar Refractivity: 70.99 cm3
Molar Volume: 194.2 cm3
Surface Tension: 52.3 dyne/cm
Density: 1.316 g/cm3
Flash Point: 204 °C
Enthalpy of Vaporization: 66.66 kJ/mol
Boiling Point: 413.7 °C at 760 mmHg
Vapour Pressure: 4.69E-07 mmHg at 25°C

Dibenz[b,f]azepine-5-carbonyl chloride Uses

Dibenz[b,f]azepine-5-carbonyl chloride (CAS NO.33948-22-0) is used as a pharmaceutical intermediates, it is also used for the synthesis of Kama West equal drugs.

Dibenz[b,f]azepine-5-carbonyl chloride Safety Profile

Hazard Codes of Dibenz[b,f]azepine-5-carbonyl chloride (CAS NO.33948-22-0): Corrosive C
Risk Statements: 34
R34: Causes burns.
Safety Statements: 26-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3261 8/PG 2
WGK Germany: 3

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