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Chemical Structure| 98116-50-8 Chemical Structure| 98116-50-8

Structure of 98116-50-8

Chemical Structure| 98116-50-8

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Product Details of [ 98116-50-8 ]

CAS No. :98116-50-8
Formula : C10H9NO
M.W : 159.18
SMILES Code : N#CC1=CC=CC(/C=C/CO)=C1

Safety of [ 98116-50-8 ]

Application In Synthesis of [ 98116-50-8 ]

* 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 [ 98116-50-8 ]

[ 98116-50-8 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 16642-93-6 ]
  • [ 543-27-1 ]
  • [ 98116-50-8 ]
YieldReaction ConditionsOperation in experiment
1.43 g (93%) With hydrogenchloride; sodium borohydrid; triethylamine; In tetrahydrofuran; water; Part B. Preparation of trans-3-cyanocinnamyl alcohol. To a solution of trans-<strong>[16642-93-6]3-cyanocinnamic acid</strong> (1.66 g, 9.6 mmol) in 100 mL of tetrahydrofuran at -15 C. was added triethylamine (1.3 mL, 9.6 mmol) and isobutylchloroformate (1.3 mL, 9.6 mmol). The mixture was stirred for 15 minutes and then was filtered into another flask and cooled to -15 C. Sodium borohydride (0.73 g, 19.2 mmol) was added in 2 mL of H2 O and the mixture was allowed to stir at -15 C. for 20 minutes and then at room temperature for 1 h. The reaction was quenched with 10% aqueous HCl and the solvent was removed in vacuo. The residue was diluted with ethyl acetate, washed with brine, dried over MgSO4 and concentrated in vacuo to afford 1.43 g (93%) of the title compound. 1 H NMR (CDCl3): δ 7.59 (s, 1H), 7.57 (d, 1H), 7.49 (d, 1H), 7.40 (t, 1H), 6.60 (d, 1H), 6.40 (dt, 1H), 4.35 (m, 2H), 2.23 (broad s, 1H).
1.43 g (93%) With hydrogenchloride; sodium borohydrid; triethylamine; In tetrahydrofuran; water; Part B. Preparation of trans-3-cyanocinnamyl alcohol. To a solution of trans-<strong>[16642-93-6]3-cyanocinnamic acid</strong> (1.66 g, 9.6 mmol) in 100 mL of tetrahydrofuran at -15 C was added triethylamine (1.3 mL, 9.6 mmol) and isobutylchloroformate (1.3 mL, 9.6 mmol). The mixture was stirred for 15 minutes and then was filtered into another flask and cooled to -15 C. Sodium borohydride (0.73 g, 19.2 mmol) was added in 2 mL of H2O and the mixture was allowed to stir at -15 C for 20 minutes and then at room temperature for 1 h. The reaction was quenched with 10% aqueous HCl and the solvent was removed in vacuo. The residue was diluted with ethyl acetate, washed with brine, dried over MgSO4 and concentrated in vacuo to afford 1.43 g (93%) of the title compound. 1H NMR (CDCl3): δ 7.59 (s, 1H), 7.57 (d, 1H), 7.49 (d, 1H), 7.40 (t, 1H), 6.60 (d, 1H), 6.40 (dt, 1H), 4.35 (m, 2H), 2.23 (broad s, 1H).
  • 2
  • [ 79-37-8 ]
  • [ 16642-93-6 ]
  • [ 98116-50-8 ]
YieldReaction ConditionsOperation in experiment
With sodium borohydrid; In tetrahydrofuran; N-methyl-acetamide; (a) 3-Cyano-cinnamyl alcohol Dimethylformamide (0.1 ml) was added to a stirred suspension of 3-cyano-cinnamic acid (30 g) in dry ether (500 ml) containing oxalyl chloride (15 ml). The mixture was stirred for 6 hours, filtered and evaporated to give the crude acid chloride as a pale solid. A solution of this acid chloride in ether (100 ml) and tetrahydrofuran (100 ml) was added to a stirred suspension of sodium borohydride-doped alumina (20 g sodium borohydride on 200 g alumina) in ether (200 ml). The mixture was stirred for 1 hour and then filtered. The filtrate was evaporated and the residue was chromatographed on silica-gel eluding with 2:1 ether:hexane to give the product as a pale oil.
 

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