ChemicalBook > CAS DataBase List > 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE

2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE

Product Name: 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE
CAS No.: 934266-82-7
Chemical Name: 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE
Synonyms: 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE;Thiazolo[5,4-b]pyridin-2-amine, 5-bromo-;5-BroMo-thiazolo[5,4-b]pyridin-2-ylaMine;5-broMo-[1,3]thiazolo[5,4-b]pyridin-2-aMine;5-Bromo [1,3]thiazolo[5,4-b]pyridine-2-amine
CBNumber: CB61486630
Molecular Formula: C6H4BrN3S
Formula Weight: 230.09
MOL File: 934266-82-7.mol

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2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE Property

Boiling point:: 382.6±45.0 °C(Predicted)
Density: 1.950±0.06 g/cm3(Predicted)
storage temp.: 2-8°C, protect from light, stored under nitrogen
pka: 0.74±0.40(Predicted)
Appearance: Light green to green Solid

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Safety

HS Code: 2934999090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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N-Bromosuccinimide Price

TRC

Product number: B704458
Product name: 5-Bromothiazolo[5,4-b]pyridin-2-amine
Packaging: 500mg
Price: $265
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB144225
Product name: 5-Bromothiazolo[5,4-b]pyridin-2-amine
Packaging: 50mg
Price: $65
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB144225
Product name: 5-Bromothiazolo[5,4-b]pyridin-2-amine
Packaging: 100mg
Price: $100
Updated: 2021/12/16

SynQuest Laboratories

Product number: 7H70-9-54
Product name: 5-Bromo-[1,3]thiazolo[5,4-b]pyridin-2-amine
Packaging: 250mg
Price: $144
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB144225
Product name: 5-Bromothiazolo[5,4-b]pyridin-2-amine
Packaging: 500mg
Price: $250
Updated: 2021/12/16

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2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE Chemical Properties,Usage,Production

Synthesis

13534-97-9

333-20-0

934266-82-7

Step A: 6-Bromopyridin-3-amine (1A, 20 g, 1.0 eq.) was added batchwise to a solution of potassium thiocyanate (5.0 eq.) in acetic acid (0.4 M) at -5 °C. The reaction mixture was cooled to -15 °C and a solution of bromine (Br2, 1.3 eq.) in acetic acid (9.4 M) was slowly added dropwise through a constant pressure dropping funnel. After the dropwise addition, the reaction system was slowly warmed to room temperature and stirred continuously for 12 hours. Upon completion of the reaction, the precipitate was collected by filtration. To the filtrate, 100 mL of ethyl acetate (EtOAc) and 200 mL of water (H2O) were added, followed by concentration under reduced pressure to remove 200 mL of solvent by rotary evaporator. The residue was placed in an ice bath with stirring for 10 min, precipitated as a solid, filtered, and washed twice with a cold 10% methanol (MeOH) solution in ether (Et2O). The filtrates were combined and concentrated, and the product was crystallized in an ice bath and washed again twice with cold 10% ether solution of methanol to give a second batch of product. After vacuum drying, the brown solid product 1B was obtained in 77% yield. The product could be used for subsequent reactions without further purification. The product was characterized as follows: 1H NMR (400 MHz, DMSO-d6) δ ppm 4.94 (br.s, 1H), 7.44 (d, J = 8.34 Hz, 1H), 7.57 (d, J = 8.34 Hz, 1H), 8.04 (br.s., 1H); ESI-MS: m/z 230.0 (M + H)+.

References

[1] Patent: US2009/318425, 2009, A1. Location in patent: Page/Page column 39-40
[2] Patent: US2017/291910, 2017, A1. Location in patent: Paragraph 0253; 0254
[3] Patent: WO2010/8847, 2010, A2. Location in patent: Page/Page column 123
[4] Yakugaku Zasshi, 1951, vol. 71, p. 662,665
[5] Chem.Abstr., 1952, p. 8109

2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE manufacturers

Career Henan Chemical Co

Product: 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE 934266-82-7
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: Customized
Release date: 2019-12-18

934266-82-7, 2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINERelated Search:

2-AMINO-5-BROMOTHIAZOLO[5,4-B]PYRIDINE

5-broMo-[1,3]thiazolo[5,4-b]pyridin-2-aMine

5-BroMo-thiazolo[5,4-b]pyridin-2-ylaMine

Thiazolo[5,4-b]pyridin-2-amine, 5-bromo-

5-Bromo [1,3]thiazolo[5,4-b]pyridine-2-amine

934266-82-7