5-phenylthiazol-2-amine

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5-phenylthiazol-2-amine manufacturers

5-phenylthiazol-2-amine Basic information
Product Name:5-phenylthiazol-2-amine
Synonyms:5-phenylthiazol-2-amine;5-Phenyl-2-thiazolamine;5-Phenylthiazole-2-amine;Einecs 254-312-9;2-Thiazolamine, 5-phenyl-;2-AMino-5-phenylthiazol;2-Amino-5-phenylthiazole
CAS:39136-63-5
MF:C9H8N2S
MW:176.24
EINECS:254-312-9
Product Categories:
Mol File:39136-63-5.mol
5-phenylthiazol-2-amine Structure
5-phenylthiazol-2-amine Chemical Properties
Melting point 256-257℃
Boiling point 363.4±11.0 °C(Predicted)
density 1.261
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
pka4.63±0.10(Predicted)
AppearanceLight yellow to yellow Solid
Safety Information
HS Code 2933399990
MSDS Information
5-phenylthiazol-2-amine Usage And Synthesis
Chemical PropertiesPale yellow powder
Synthesis
2-BROMO-2-PHENYLACETALDEHYDE

16927-13-2

Carbamimidothioic acid

17356-08-0

5-phenylthiazol-2-amine

39136-63-5

General procedure for the synthesis of 2-amino-5-phenylthiazole from 2-bromo-2-phenylacetaldehyde and compound (CAS: 17356-08-0): in Example 17, compound 16 (3.0 g, 15.05 mmol) was added to an ethanol suspension of thiourea (1.4 g, 18.10 mmol). The reaction mixture was heated to reflux for 8 hours. After completion of the reaction, it was cooled to room temperature and concentrated to remove the solvent. The residue was purified by column chromatography through a solvent mixture of dichloromethane (DCM) and methanol (MeOH) to afford the target product 17 as a yellow solid (2.3 g, 80% yield). The structure of the product was characterized by 1H NMR (400 MHz, DMSO-d6) and ESI-MS: 1H NMR δ 9.37 (broad single peak, 2H, NH2), 7.82 (single peak, 1H, Ar-H), 7.58-7.34 (multiple peaks, 6H, Ar-H); ESI-MS: (C9H8N2S) Calculated value 176, measured value 177 [M + H].

References[1] Patent: WO2010/144394, 2010, A1. Location in patent: Page/Page column 69
[2] Patent: WO2010/144550, 2010, A1. Location in patent: Page/Page column 68
[3] Patent: WO2015/138895, 2015, A1. Location in patent: Paragraph 000319
[4] Patent: WO2008/144767, 2008, A1. Location in patent: Page/Page column 111
5-phenylthiazol-2-amine Preparation Products And Raw materials
Raw materials2-Chloroacetophenone-->2-Bromo-2-phenylacetaldehyde-->Carbamimidothioic acid
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