Product Name

  • Name

    cyamemazine

  • EINECS 222-594-2
  • CAS No. 3546-03-0
  • Article Data6
  • CAS DataBase
  • Density 1.21 g/cm3
  • Solubility
  • Melting Point 90-95°C
  • Formula C19H21N3S
  • Boiling Point 479 °C at 760 mmHg
  • Molecular Weight 323.462
  • Flash Point 243.5 °C
  • Transport Information
  • Appearance
  • Safety 61
  • Risk Codes 50
  • Molecular Structure Molecular Structure of 3546-03-0 (cyamemazine)
  • Hazard Symbols Xi,N
  • Synonyms Phenothiazine-2-carbonitrile,10-[3-(dimethylamino)-2-methylpropyl]- (6CI,7CI,8CI);10-[3-(Dimethylamino)-2-methylpropyl]phenothiazine-2-carbonitrile;2-Cyano-10-(3-dimethylamino-2-methylpropyl)phenothiazine;7204 R. E.;Ciamatil;Cianatil;Cyamemazin;Cyamemazine;Cyamepromazine;Cyamepromezine;F.I. 6229;Kyamepromazine;R.P. 7204;TH 2602;Tercian;
  • PSA 55.57000
  • LogP 4.42368

Synthetic route

cyamemazine N-oxide
1366180-94-0

cyamemazine N-oxide

A

N-Demethylcyamemazine
108014-19-3

N-Demethylcyamemazine

B

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
With ferrous(II) sulfate heptahydrate In methanol at 0℃; for 2h; Polonovski reaction;A 70%
B n/a
10H-phenothiazine-2-carbonitrile
38642-74-9

10H-phenothiazine-2-carbonitrile

3-(dimethylamino)-2-methylpropylchloride
23349-86-2

3-(dimethylamino)-2-methylpropylchloride

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
(i) NaNH2, toluene, (ii) /BRN= 506000/; Multistep reaction;
(+-)-4-<2-bromo-phenylsulfanyl>-3-<γ-dimethylamino-isobutylamino>-benzonitrile

(+-)-4-<2-bromo-phenylsulfanyl>-3-<γ-dimethylamino-isobutylamino>-benzonitrile

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
With copper; potassium carbonate; N,N-dimethyl-formamide at 155℃;
10H-phenothiazine-2-carbonitrile
38642-74-9

10H-phenothiazine-2-carbonitrile

(+-)-<γ-chloro-isobutyl>-dimethyl-amine

(+-)-<γ-chloro-isobutyl>-dimethyl-amine

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
With sodium amide; xylene
2-chlorophenothiazine
92-39-7

2-chlorophenothiazine

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: quinoline
2: sodium amide; xylene
View Scheme
10H-phenothiazine-2-carboxylic acid
25234-50-8

10H-phenothiazine-2-carboxylic acid

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) PCl5, benzene, (ii) NH3
2: POCl3 / Heating
3: (i) NaNH2, toluene, (ii) /BRN= 506000/
View Scheme
phenothiazine-2-carboxamide
1778-82-1

phenothiazine-2-carboxamide

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: POCl3 / Heating
2: (i) NaNH2, toluene, (ii) /BRN= 506000/
View Scheme
Cyamemazine tartrate

Cyamemazine tartrate

A

N-Demethylcyamemazine
108014-19-3

N-Demethylcyamemazine

B

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 3-chloro-benzenecarboperoxoic acid; sodium hydroxide / dichloromethane / 4 h / 0 - 20 °C
2: ferrous(II) sulfate heptahydrate / methanol / 2 h / 0 °C
View Scheme
10-(3-(1,3-dioxoisoindolin-2-yl)-2-methylpropyl)-10H-phenothiazine-2-carbonitrile
1590417-42-7

10-(3-(1,3-dioxoisoindolin-2-yl)-2-methylpropyl)-10H-phenothiazine-2-carbonitrile

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: hydrazine hydrate / ethanol / 4 h / 70 °C / Inert atmosphere
2.1: tetrahydrofuran / 2 h / 70 °C
2.2: 2 h / 0 °C / Reflux
View Scheme
Desmethyl cyamemazine

Desmethyl cyamemazine

dimethyl sulfate
77-78-1

dimethyl sulfate

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
Stage #1: Desmethyl cyamemazine; dimethyl sulfate In tetrahydrofuran at 70℃; for 2h;
Stage #2: dimethyl sulfate With sodium hydroxide In tetrahydrofuran; water at 0℃; for 2h; Reflux;
Cyamemazine tartrate

Cyamemazine tartrate

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
In [(2)H6]acetone; water; ethyl acetate
In di-isopropyl ether; water
3-(dimethylamino)-2-methylpropylchloride
23349-86-2

3-(dimethylamino)-2-methylpropylchloride

cyamemazine
3546-03-0

cyamemazine

Conditions
ConditionsYield
With sodium hydroxide In toluene
cyamemazine
3546-03-0

cyamemazine

C19H21N3O2S

C19H21N3O2S

Conditions
ConditionsYield
With air In phosphate buffer for 0.0666667h; pH=7; Quantum yield;
With air In phosphate buffer for 0.0666667h; pH=7; UV-irradiation;
2-butenedioic acid
6915-18-0

2-butenedioic acid

cyamemazine
3546-03-0

cyamemazine

10-(3-(dimethylamino)-2-methylpropyl)-10H-phenothiazine-2-carbonitrile maleate

10-(3-(dimethylamino)-2-methylpropyl)-10H-phenothiazine-2-carbonitrile maleate

Conditions
ConditionsYield
In ethanol for 0.5h;250 mg
cyamemazine
3546-03-0

cyamemazine

A

(R)-cyamemazine

(R)-cyamemazine

B

(S)-cyamemazine

(S)-cyamemazine

Conditions
ConditionsYield
With Chiralpak AGP column for 0.5h; Resolution of racemate; enantioselective reaction;

10H-Phenothiazine-2-carbonitrile,10-[3-(dimethylamino)-2-methylpropyl]- Specification

This chemical is called 10H-Phenothiazine-2-carbonitrile,10-[3-(dimethylamino)-2-methylpropyl]-, and its systematic name is 10-[3-(dimethylamino)-2-methylpropyl]-10H-phenothiazine-2-carbonitrile. With the molecular formula of C19H21N3S, its molecular weight is 323.46. The CAS registry number of this chemical is 3546-03-0.

Other characteristics of the 10H-Phenothiazine-2-carbonitrile,10-[3-(dimethylamino)-2-methylpropyl]- can be summarised as followings: (1)ACD/LogP: 4.62; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.6; (4)ACD/LogD (pH 7.4): 2.73; (5)ACD/BCF (pH 5.5): 1.81; (6)ACD/BCF (pH 7.4): 24.85; (7)ACD/KOC (pH 5.5): 7.36; (8)ACD/KOC (pH 7.4): 101.15; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 55.57 Å2; (13)Index of Refraction: 1.654; (14)Molar Refractivity: 97.51 cm3; (15)Molar Volume: 265.7 cm3; (16)Polarizability: 38.65×10-24cm3; (17)Surface Tension: 58.6 dyne/cm; (18)Density: 1.21 g/cm3; (19)Flash Point: 243.5 °C; (20)Enthalpy of Vaporization: 74.32 kJ/mol; (21)Boiling Point: 479 °C at 760 mmHg; (22)Vapour Pressure: 2.46E-09 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: N#Cc2cc1N(c3c(Sc1cc2)cccc3)CC(C)CN(C)C
2.InChI: InChI=1/C19H21N3S/c1-14(12-21(2)3)13-22-16-6-4-5-7-18(16)23-19-9-8-15(11-20)10-17(19)22/h4-10,14H,12-13H2,1-3H3
3.InChIKey: SLFGIOIONGJGRT-UHFFFAOYAN

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
man LDLo oral 107mg/kg (107mg/kg)   Journal of Analytical Toxicology. Vol. 17, Pg. 386, 1993.

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