Product Name

  • Name

    7-CHLORO-2-MERCAPTOBENZOXAZOLE 97

  • EINECS
  • CAS No. 51793-93-2
  • Article Data5
  • CAS DataBase
  • Density 1.57 g/cm3
  • Solubility
  • Melting Point 252-256 °C(lit.)
  • Formula C7H4ClNOS
  • Boiling Point 286.7 °C at 760 mmHg
  • Molecular Weight 185.634
  • Flash Point 127.2 °C
  • Transport Information
  • Appearance light brown powder
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 51793-93-2 (7-CHLORO-2-MERCAPTOBENZOXAZOLE  97)
  • Hazard Symbols IrritantXi
  • Synonyms 2-Benzoxazolethiol,7-chloro- (6CI);7-Chloro-2-mercaptobenzoxazole;NSC 77358;
  • PSA 64.83000
  • LogP 2.76990

Synthetic route

2-amino-6-chlorophenol
38191-33-2

2-amino-6-chlorophenol

potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

Conditions
ConditionsYield
In ethanol Heating;
carbon disulfide
75-15-0

carbon disulfide

2-amino-6-chlorophenol
38191-33-2

2-amino-6-chlorophenol

7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

Conditions
ConditionsYield
With potassium hydroxide In ethanol Heating;
2-chloro-6-nitrophenol
603-86-1

2-chloro-6-nitrophenol

7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2 / Pt-C / ethyl acetate
2: KOH / ethanol / Heating
View Scheme
3-chloro-1-(pyrrolidin-1-yl)propan-1-one
63177-38-8

3-chloro-1-(pyrrolidin-1-yl)propan-1-one

7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

3-((7-chlorobenzo[d]oxazol-2-yl)thio)-1-(pyrrolidin-1-yl)propan-1-one

3-((7-chlorobenzo[d]oxazol-2-yl)thio)-1-(pyrrolidin-1-yl)propan-1-one

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 100℃; for 1h; Microwave irradiation;42%
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

2,7-Dichloro-benzooxazole
86691-34-1

2,7-Dichloro-benzooxazole

Conditions
ConditionsYield
With phosphorus pentachloride In benzene for 2h; Heating;
With phosphorus pentachloride; trichlorophosphate at 100℃;
1-methyl-piperazine
109-01-3

1-methyl-piperazine

7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

ClC7H3NOC4H8N2CH3

ClC7H3NOC4H8N2CH3

Conditions
ConditionsYield
In toluene Heating;
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-propionic acid methyl ester

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-propionic acid methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-propionic acid
884313-94-4

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-propionic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

2-(7-chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[2-(4-fluoro-phenylamino)-ethyl]-propionamide

2-(7-chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[2-(4-fluoro-phenylamino)-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: DIEA; HATU / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(4-methoxy-phenylamino)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(4-methoxy-phenylamino)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(4-methanesulfonyl-phenylamino)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(4-methanesulfonyl-phenylamino)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(3-methanesulfonyl-phenylamino)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(3-methanesulfonyl-phenylamino)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-3,3-dimethyl-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-3,3-dimethyl-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-2,2-dimethyl-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-2,2-dimethyl-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-2-oxo-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

(S)-2-(7-Chloro-benzooxazol-2-ylamino)-3-cyclohexyl-N-[(S)-2-(5-fluoro-2-oxo-2,3-dihydro-indol-1-yl)-1-methyl-ethyl]-propionamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: POCl3; PCl5 / 100 °C
2: DIEA / dimethylformamide / 0 - 20 °C
3: aq. LiOH / dioxane
4: 77 percent / HATU; DIEA / CH2Cl2
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

7-chloro-2-hydrazinobenzoxazole
114997-89-6

7-chloro-2-hydrazinobenzoxazole

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: phosphorus pentachloride / benzene / 2 h / Heating
2: hydrazine hydrate / dioxane / 0.5 h / Ambient temperature
View Scheme
7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

3-[1-(7-chloro-2-benzoxazolyl)hydrazino]propanenitrile
86691-35-2

3-[1-(7-chloro-2-benzoxazolyl)hydrazino]propanenitrile

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: phosphorus pentachloride / benzene / 2 h / Heating
2: hydrazine hydrate / dioxane / 0.5 h / Ambient temperature
3: 50percent methanolic choline / tetrahydrofuran / 1.) 40 deg C, 15 min, 2.) 65 deg C, 5 h
View Scheme
acrylonitrile
107-13-1

acrylonitrile

7-chlorobenzo[d]oxazole-2-thiol
51793-93-2

7-chlorobenzo[d]oxazole-2-thiol

3-[1-(7-chloro-2-benzoxazolyl)hydrazino]propanenitrile
86691-35-2

3-[1-(7-chloro-2-benzoxazolyl)hydrazino]propanenitrile

Conditions
ConditionsYield
With phosphorus pentachloride

2(3H)-Benzoxazolethione,7-chloro- Specification

The 2(3H)-Benzoxazolethione,7-chloro-, with the IUPAC name 7-chloro-1,3-benzoxazole-2(3H)-thione, is light brown powder. With the molecular formula of C7H4ClNOS, its product categories are Building Blocks; Halogenated Heterocycles; Heterocyclic Building Blocks; Oxazoles. The CAS registry number of this chemical is 51793-93-2. Additionally, it should be sealed in the cool and dry place.

Other characteristics of the 2(3H)-Benzoxazolethione,7-chloro- can be summarised as followings: (1)ACD/LogP: 2.59; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.59; (4)ACD/LogD (pH 7.4): 2.59; (5)ACD/BCF (pH 5.5): 54.41; (6)ACD/BCF (pH 7.4): 54.35; (7)ACD/KOC (pH 5.5): 608.17; (8)ACD/KOC (pH 7.4): 607.53; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 44.56 Å2; (13)Index of Refraction: 1.723; (14)Molar Refractivity: 46.66 cm3; (15)Molar Volume: 117.7 cm3; (16)Polarizability: 18.49×10-24cm3; (17)Surface Tension: 73.5 dyne/cm; (18)Density: 1.57 g/cm3; (19)Flash Point: 127.2 °C; (20)Enthalpy of Vaporization: 52.58 kJ/mol; (21)Boiling Point: 286.7 °C at 760 mmHg; (22)Vapour Pressure: 0.0026 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1.SMILES: Clc2cccc1c2OC(=S)N1
2.InChI: InChI=1/C7H4ClNOS/c8-4-2-1-3-5-6(4)10-7(11)9-5/h1-3H,(H,9,11)
3.InChIKey: XXRDNTGJMQMSLW-UHFFFAOYAR

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