2-Chloro-5-fluoro-3-methylpyridine
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2-Chloro-5-fluoro-3-methylpyridine
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CAS No:
38186-84-4
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Formula:
C6H5ClFN
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Chemical Name:
2-Chloro-5-fluoro-3-methylpyridine
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Synonyms:
2-CHLORO-5-FLUORO-3-METHYLPYRIDINE;2-CHLORO-5-FLUORO-3-PICOLINE;2-CHLORO-3-METHYL-5-FLUOROPYRIDINE;2-Chloro-5-fluoroa3-picoline;2-Chloro-3-methy-5-fluorolpyridine;2-Chloro-5-fluoro-3-methylpyridine2-Chloro-5-fluoro-3-picoline
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CAS No:
Safety Information
36/37/38
26-36/37/39
Xi
Irritant
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, P501
H302
|Warning|H302 (66.67%): 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|Aggregated GHS information provided by 3 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Chloro-5-fluoro-3-methylpyridine Use and Manufacturing
The Et2 O layer (vide supra) was dried, filtered and concentrated. The residue was sublimed at 60° C. (1.6 mm) to yield 2.15 g (8percent) of 2-chloro-5-fluoro-3-methylpyridine, mp 38°-40° C.; 1 H NMR (CFCl3) +129.95 ppm (1F, d, J=9). The exact mass was 147.0062 (Calcd 147.0065).A solution of compound 1 (3g, 20.6mmol, 1 eq), Morpholine (1.78ml_, 20.6mmol, 1 eq) and NaOfBu (3.97g, 41.3mmol, 2eq) in Dry Toluene (30ml_) was degassed for 30min, followed by the addition of Pd2(dba)3 (0.94g, 1 .03mmol, 0.05eq) , and BINAP (0.64g, 1 .03mmol, 0.05eq). The reaction mixture was heated to 90-95C for2h in sealed tube. Then, the reaction mixture was cooled to RT and filtered through celite bed; celite bed was washed with EtOAc (10ml_). After solvent evaporation, the residue was purified by Combiflash column chromatography using 7% EtOAc in petroleum ether as an eluent to give compound 2 (2.5g, 62.03%) as a pale yellow solid. LC-MS: m/z 197.30 (M + H);To a solution of LDA solution (2M, 3.85 mL, 7.70 mmol) was added to a cooled solution of
Computed Properties
Molecular Weight:145.56
XLogP3:2.3
Hydrogen Bond Acceptor Count:2
Exact Mass:145.0094550
Monoisotopic Mass:145.0094550
Topological Polar Surface Area:12.9
Heavy Atom Count:9
Complexity:99.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-Chloro-5-fluoro-3-methylpyridine
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