2-Thiazolamine, 5-bromo-, hydrobromide (1:1)
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2-Thiazolamine, 5-bromo-, hydrobromide (1:1)
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CAS No:
61296-22-8
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Formula:
C3H3BrN2S.BrH
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Chemical Name:
2-Thiazolamine, 5-bromo-, hydrobromide (1:1)
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Synonyms:
2-Thiazolamine,5-bromo-,hydrobromide (1:1);2-Thiazolamine,5-bromo-,monohydrobromide;2-Amino-5-bromo-1,3-thiazole hydrobromide;5-Bromo-2-aminothiazole hydrobromide;2-Amino-5-bromothiazole hydrobromide;5-Bromo-1,3-thiazol-2-amine hydrobromide;2-Amino-5-bromothiazole monohydrobromide;(5-Bromothiazol-2-yl)amine hydrobromide;5-Bromothiazol-2-amine hydrobromide
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CAS No:
2-Thiazolamine, 5-bromo-, hydrobromide (1:1) Basic Attributes
259.95
257.846191
262-699-0
2934100090
Characteristics
67.2
Light yellow to light brown Crystalline Powder
163-164 °C
192.5°C at 760 mmHg
70.2ºC
Safety Information
NONH for all modes of transport
3
22-36
26-36/37-24/25
XJ1262200
Xn,Xi
P305 + P351 + P338
H302-H319
2-Thiazolamine, 5-bromo-, hydrobromide (1:1) Use and Manufacturing
To a solution of To a solution of A mixture of 182 (113 mg, 044 mmoi), Ci (50 mg, 022 mmoi) and cesium carbonate (143 mg, 0.44 mmoi) in MeCN (2 rnL) is stirred at 70 C for 1.5 hours. The mixture is then cooled to room temperature, diluted with DCM (10 niL), washed with water (10 rnL 3), dried over anhydrous sodium sulfate, and concentrated to give crude C25 as a brown solid (80 mg, 56% yield). (MS: [M÷H] 330, 1)j00576J To a mixture of 5 -hromothiazol-2-amine hydrobromide (2.6 g, 10 mmoi) and powdered potassium carbonate (2.77 g, 20 mmoi) in NMP (5 mE) was added tert-butyl piperazine- I -carboxylate (3.72 g, 20 nimol) under argon atmosphere and heated at 60 C for 3 hours. Reaction mixture was cooled to room temperature and poured over ice cold water (100 mE), extracted with EtOAc (3 x 100 mE), washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by an silica gel column to afford (600 mg, 42.3%) of the title compound (1) as a brown solid. MS m/z 285.i3[M+Hf.j00574j To a mixture of 5-bromothiazol-2-amine hydrobroniide (2.6 g, 10 mmoi) and powdered potassium carbonate (2.77 g, 20 mmol) in NMP (5 mL) was added 1- ethylpiperazine (2.28 mL, 20 nimol) under argon atmosphere and heated at 60 C for 3 hours. Reaction mixture was filtered and concentrated under reduced pressure. The residue was purified by an silica gel column to afford (382 rng, 36%) of the title compound (1) as a brown solid. MS rn/z 213.1 1 [M±HTF,
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2-Thiazolamine, 5-bromo-, hydrobromide (1:1)
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