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Chemical Structure| 117976-91-7 Chemical Structure| 117976-91-7

Structure of 117976-91-7

Chemical Structure| 117976-91-7

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Product Details of [ 117976-91-7 ]

CAS No. :117976-91-7
Formula : C17H19N3O2S
M.W : 329.42
SMILES Code : CC1=C(OCCCO)C=CN=C1CSC2=NC3=CC=CC=C3N2
MDL No. :MFCD11973632

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Application In Synthesis of [ 117976-91-7 ]

* 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 [ 117976-91-7 ]

[ 117976-91-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 117977-21-6 ]
  • [ 117976-91-7 ]
YieldReaction ConditionsOperation in experiment
85.3% With boron tribromide; In dichloromethane; at 20℃; for 5h;Cooling with ice; 2-[4-(3-Methoxypropoxy)-3-methylpyridin-2-yl]methylthio}-1H-benzimidazole (3.00 g, 9.12 mmol)Placed in a 100ml eggplant bottle,Add 30 ml of dichloromethane to dissolve it.Boron tribromide (6.80 g, 27.2 mmol) was slowly added dropwise under ice water bath.Naturally restored to room temperature,The reaction was carried out for 5 h, and the reaction was monitored by TLC.Quench the reaction by adding 20 ml of ice water.Adjust the pH to 8 with a saturated aqueous solution of sodium bicarbonate.Filtered to a white solid of 2.56 g.The yield was 85.3%.M.p.: 97.0 to 99.2 C.Without purification,Used directly in the next step.
11 g With hydrogen bromide; at 100℃; for 1h; (1) [...] sulfide (I) (20g) is suspended in the volume concentration is 48% of the hydrobromic acid (300 ml) in, heated to 100 degrees, reaction 1 hour, cooling the reaction to room temperature, then the ice bath, to the reaction solution slowly adding water and ethyl acetate, the volume concentration 25% ammonia of pH=9 - 10, there are a large number of white solid precipitated, to filtering to obtain (II) methyl rabeprazol sulfoether crude product 20g, obtained after column chromatography purification 11g to methyl rabeprazol-P-phenylene sulfide (II) intermediates
With boron tribromide; In dichloromethane; at 20℃; for 5h;Cooling with ice; 2-[4-(3-Methoxypropoxy)-3-methylpyridin-2-yl]methylthio}-1H-benzimidazole (3.00 g, 9.12 mmol)Placed in a 100ml eggplant bottle,After adding 30 ml of dichloromethane to dissolve, boron tribromide (6.80 g, 27.2 mmol) was slowly added dropwise under ice-water bath, and naturally returned to room temperature, and reacted for 5 hours, and the reaction was completely monitored by TLC.The reaction was quenched by the addition of 20 ml of ice water, and the pH was adjusted to 8 with a saturated aqueous sodium hydrogen carbonate solution.It was filtered under suction to give a white solid of 2.56 g.The yield was 85.3%.
 

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