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Home > Encyclopedia > 5-bromo-3-methyl-1,2,4-thiadiazole

5-bromo-3-methyl-1,2,4-thiadiazole

5-bromo-3-methyl-1,2,4-thiadiazole structure

5-bromo-3-methyl-1,2,4-thiadiazole 

structure
  • CAS No:

    54681-68-4

  • Formula:

    C3H3BrN2S

  • Chemical Name:

    5-bromo-3-methyl-1,2,4-thiadiazole

  • Synonyms:

    5-BROMO-3-METHYL-1,2,4-THIADIAZOLE;SCHEMBL2730482;CTK8C1609;DTXSID90512945;KS-00000QM9;7937AB;ANW-66971;ZINC39340641;3-methyl-5-bromo-1,2,4-thiadiazole;AKOS014320085

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

5-bromo-3-methyl-1,2,4-thiadiazole Basic Attributes

179

177.920029

DTXSID90512945

2934999090

Characteristics

54

2.3

1.8±0.1 g/cm3

100.1±22.6 °C

1.597

Safety Information

|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

5-bromo-3-methyl-1,2,4-thiadiazole Use and Manufacturing

To a solution of [1-(2-trimethylsilylethoxymethyl)pyrrolo[2, 3-b]pyridin-6-yl]boronic acid (3.92 g, 13.40 mmol, 1.6 eq), To a solution of [l-(2-trimethylsilylethoxymethyl)pyrrolo[2, 3-b]pyridin-6-yl]boronic acid (3.92 g, 13.40 mmol, 1.6 eq), 5-bromo-3-methyl-l, 2, 4-thiadiazole (1.5 g, 8.38 mmol, 1 eq) in dioxane (40 mL) was added K2CO3 (2.89 g, 20.95 mmol, 2.5 eq) and Pd(dppf)Cl2.CH2Cl2 (684.19 mg, 837.81 umol, 0.1 eq) at l5C, the reaction mixture was degassed and purged with N2 for 3 times and stirred at l00C for 2 h. The resulting solution was filtered and concentrated to give a residue. The residue was purified by silica gel column (PE/EtOAc= 100/1 to 25/1) to afford the title compound (1.1 g, 3.17 mmol, 37.89%yield) as a colorless oil.

Computed Properties

Molecular Weight:179.04
XLogP3:2.3
Hydrogen Bond Acceptor Count:3
Exact Mass:177.92003
Monoisotopic Mass:177.92003
Topological Polar Surface Area:54
Heavy Atom Count:7
Complexity:70
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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