ChemicalBook--->CAS DataBase List--->19989-67-4

19989-67-4

19989-67-4 Structure

19989-67-4 Structure
IdentificationBack Directory
[Name]

6-Benzothiazolecarboxaldehyde(8CI,9CI)
[CAS]

19989-67-4
[Synonyms]

6-Formylbenzothiazole
6-Benzothiazolecarboxaldehyd
6-Benzothiazolecarboxaldehyde
Benzo[d]thiazole-6-carbaldehyde
1,3-Benzothiazole-6-carbaldehyde
6-Benzothiazolecarboxaldehyde(8CI,9CI)
1,3-Benzothiazole-6-carboxaldehyde, 97%
[Molecular Formula]

C8H5NOS
[MDL Number]

MFCD03086101
[MOL File]

19989-67-4.mol
[Molecular Weight]

163.2
Chemical PropertiesBack Directory
[Boiling point ]

311.4±15.0 °C(Predicted)
[density ]

1.384
[storage temp. ]

Inert atmosphere,2-8°C
[form ]

Crystalline Powder or Low Melting Solid
[pka]

-0.32±0.10(Predicted)
[color ]

White to yellow to brown
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H319-H315-H335
[Precautionary statements ]

P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
[HS Code ]

29342080
Spectrum DetailBack Directory
[Spectrum Detail]

6-Benzothiazolecarboxaldehyde(8CI,9CI)(19989-67-4)1HNMR
Hazard InformationBack Directory
[Synthesis]

6-(HYDROXYMETHYL)BENZOTHIAZOLE

19989-66-3

6-Benzothiazolecarboxaldehyde(8CI,9CI)

19989-67-4

Benzo[d]thiazol-6-ylmethanol (3.5 g, 21 mmol) was dissolved in anhydrous dichloromethane (20 mL) at room temperature, followed by addition of manganese dioxide (14 g, 0.21 mol). The reaction mixture was stirred continuously for 16 hours at room temperature. After completion of the reaction, the insoluble material was removed by filtration and the filtrate was processed by vacuum concentration to finally obtain benzothiazole-6-aldehyde (3.0 g, 88% yield) as a yellow solid.

[References]

[1] Patent: WO2015/66371, 2015, A1. Location in patent: Paragraph 00368-00369
[2] Journal of the American Chemical Society, 2008, vol. 130, # 20, p. 6404 - 6410
[3] Journal of Medicinal Chemistry, 1968, vol. 11, # 2, p. 270 - 273
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