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Chemical Structure| 24157-02-6 Chemical Structure| 24157-02-6
Chemical Structure| 24157-02-6

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CAS No. :24157-02-6
Formula : C6H13BrO2
M.W : 197.07
SMILES Code : COC(OC)CCCBr
MDL No. :MFCD02262158
InChI Key :QPNPLSCMVPQSEZ-UHFFFAOYSA-N
Pubchem ID :10420225

Safety

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis

* 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 [ 24157-02-6 ]

[ 24157-02-6 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 24157-02-6 ]
  • [ 190900-21-1 ]
  • 4-(4,4-dimethoxybutyl)-5-oxo-[1,4]diazepane-1-carboxylic acid tert-butyl ester [ No CAS ]
  • (chloroform-a) δ [ No CAS ]
YieldReaction ConditionsOperation in experiment
In diethyl ether; chloroform; N,N-dimethyl-formamide; mineral oil; 5-Oxo-4-(4-oxobutyl)-[1,4]diazepane-1-carboxylic acid tert-butyl ester To a suspension of 60percent sodium hydride in mineral oil (0.2 g, 5 mmole) in N,N-dimethylformamide (6 mL) was added <strong>[190900-21-1]5-oxo-[1,4]diazepane-1-carboxylic acid tert-butyl ester</strong> (1.0 g, 4.67 mmole). The reaction mixture was warmed at 50° C. for 5 minutes, and then at room temperature for 15 minutes. To the resulting solution was added 4-bromobutyraldehyde dimethyl acetal (0.99 g, 5 mmole). After the reaction mixture was stirred at room temperature for 16 hours, the solvent was removed, and the residue was partitioned between water and ethyl acetate. The organic phase was washed with water, dried (magnesium sulfate), and concentrated. The residue was dissolved in diethyl ether, and the suspension was filtered, and the filtrate was concentrated. Purification by silica gel chromatography, eluding with 2percent methanol in chloroform, gave 4-(4,4-dimethoxybutyl)-<strong>[190900-21-1]5-oxo-[1,4]diazepane-1-carboxylic acid tert-butyl ester</strong> (0.8 g,) as a heavy syrup. Nmr: (chloroform-a) delta (ppm) 1.49, s, (9H); 2.64, m, 3H; 3.32, s (3H); 4.37, m, (1H).
 

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