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[ CAS No. 693-67-4 ] {[proInfo.proName]}

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Chemical Structure| 693-67-4
Chemical Structure| 693-67-4
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Product Details of [ 693-67-4 ]

CAS No. :693-67-4 MDL No. :MFCD00000223
Formula : C11H23Br Boiling Point : -
Linear Structure Formula :CH3(CH2)10Br InChI Key :IKPSIIAXIDAQLG-UHFFFAOYSA-N
M.W : 235.20 Pubchem ID :12744
Synonyms :

Safety of [ 693-67-4 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P280-P304+P340-P305+P351+P338-P405 UN#:N/A
Hazard Statements:H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 693-67-4 ]

* 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 [ 693-67-4 ]

[ 693-67-4 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 693-67-4 ]
  • [ 18979-61-8 ]
  • 1-butyl-2,4-bis-undecyloxy-benzene [ No CAS ]
  • 2
  • [ 693-67-4 ]
  • [ 6478-79-1 ]
  • [ 611233-53-5 ]
  • 3
  • [ 693-67-4 ]
  • [ 95091-92-2 ]
  • [ 6790-18-7 ]
YieldReaction ConditionsOperation in experiment
82.8% Magnesium turnings (21.6 g, 0.901 mol, 3.7 eq/halide) were covered with anhydrous Et2O (150 mL) and a solution of 1-bromoundecane (54.0 mL, 0.242 mol) in anhydrous Et2O (200 mL) was added in small aliquots until the reaction begins. The remaining bromoundecane solution was added dropwise, then heated to reflux (1 hour), allowed to cool to rt and then added to a cooled solution of the Weinreb amide (30.0 g, 0.194 mol in 200 mL anhydrous Et2O, 0 C.) via cannula. The resulting slurry was stirred (3 h) and then quenched with equal amounts of 1 N HCl and H2O. After warming to rt the mixture was separated and the aqueous layer was extracted with Et2O (2×). The combined organics were washed with sat'd. NaHCO3, brine, dried (Na2SO4), filtered, and evaporated to yield crude furyl ketone, which was distilled under vacuum (b.p. 131-138 C., 0.2 mm Hg) to give pure furyl ketone (40.2 g, 0.161 mol, Yld. 82.8%). 1H NMR: δ 7.55 (m, 1H, H-2), 7.15 (d, 1H, 3JH,H=3.6 Hz, H-4), 6.50 (dd, 1H, 3JH,H=1.7 Hz, 3JH,H=3.6 Hz, H-3), 2.78 (t, 2H, 3JH,H=7.5 Hz, H-7), 1.69 (quintet, 2H, 3JH,H=7.4 Hz, H-8), 1.34-1.23 (m, 16H), 0.90 (t, 3H, 3JH,H=7.1, CH3). 13C NMR: δ 190.1, 153.3, 146.5, 117.1, 112.5, 38.9, 32.3, 30.1, 30.0, 29.9, 29.8, 29.7, 24.7, 23.0, 14.5.
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