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Chemical Structure| 32353-49-4 Chemical Structure| 32353-49-4

Structure of 32353-49-4

Chemical Structure| 32353-49-4

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Product Details of [ 32353-49-4 ]

CAS No. :32353-49-4
Formula : C8H12BrN
M.W : 202.10
SMILES Code : CC1=CC=[N+](CC)C=C1.[Br-]
MDL No. :MFCD18384825

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Application In Synthesis of [ 32353-49-4 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 32353-49-4 ]

[ 32353-49-4 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 32353-49-4 ]
  • [ 7310-97-6 ]
  • 1-ethyl-4-[(1E)-2-(2,5-dimethoxy-4-formylphenyl)ethenyl]pyridinium [ No CAS ]
YieldReaction ConditionsOperation in experiment
55.7% With piperidine; In methanol; for 7h;Reflux; 1-Ethyl-4-[(1E)-2-(2,5-dimethoxy-4-formylphenyl)ethenyl] pyridinium bro- mide (BYQ) A flask fitted with a magnetic stirrer and condenser was charged with 1-ethyl-4-methylpyridinium bromide (2.01 g, 10 mmol), 2 (1.94 g, 10 mmol), piperidine (0.85 g, 10 mmol) and methyl alcohol (50 mL). The mixture was heated under reflux for 7 h, then cooled to room temperature. The mixture was filtered and the filtrate was evaporated by rotary evaporators. The solid was purified by column chromatography on silica gel using petroleum ether/ethyl acetate (1:5) as eluent to give a orange-yellow crystalline powder (2.11 g, 55.7%). m.p. = 255-257 C 1H NMR (500 MHz, DMSO-d6): delta 10.37 (s, 1H), 9.00 (d, J = 6.9 Hz, 2H), 8.31 (d, J = 6.8 Hz, 2H), 8.09 (d, J = 16.5 Hz, 1H), 7.77 (d, J = 16.5 Hz, 1H), 7.63 (s, 1H), 7.35 (s, 1H), 4.57 (q, 2H), 3.99 (s, 3H), 3.93 (s, 3H), 1.55 (t, J = 7.3 Hz, 3H); FT-IR (KBr) v/cm-1: 3084, 2941, 2897, 1685, 1618, 1490, 1410, 1211, 1123, 1041, 978, 873, 692 cm-1; ESI-MS: m/z (%): 298.3 (100) [M]+; elemental analysis calcd (%) for C18H20BrNO3: C 57.15, H 5.33, N 3.70; found: C 57.43, H 5.52, N 3.96.
 

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