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Chemical Structure| 19493-09-5 Chemical Structure| 19493-09-5

Structure of 19493-09-5

Chemical Structure| 19493-09-5

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Product Details of [ 19493-09-5 ]

CAS No. :19493-09-5
Formula : C19H17P
M.W : 276.31
SMILES Code : [CH2-][P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
MDL No. :N/A

Safety of [ 19493-09-5 ]

Application In Synthesis of [ 19493-09-5 ]

* 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 [ 19493-09-5 ]

[ 19493-09-5 ] Synthesis Path-Downstream   1~9

  • 1
  • [ 56393-79-4 ]
  • [ 54925-64-3 ]
  • (S)-2-((2R,3R,5S)-3,5-Dimethyl-6-oxo-tetrahydro-pyran-2-yl)-propionyl chloride [ No CAS ]
  • [ 19493-09-5 ]
  • (2R,3S,4S,6R)-3-(tert-Butyl-dimethyl-silanyloxy)-2,4,6-trimethyl-7-oxo-8-(triphenyl-λ5-phosphanylidene)-octanethioic acid S-tert-butyl ester [ No CAS ]
  • 2
  • [ 29943-42-8 ]
  • [ 19493-09-5 ]
  • [ 36838-71-8 ]
  • 3
  • [ 4313-03-5 ]
  • [ 19493-09-5 ]
  • [ 33580-04-0 ]
  • 4
  • [ 1120-95-2 ]
  • [ 19493-09-5 ]
  • 3-[(Triphenyl-λ5-phosphanylidene)-methyl]-pyridazine [ No CAS ]
  • 5
  • [ 704-38-1 ]
  • [ 19493-09-5 ]
  • [ 30782-41-3 ]
  • 6
  • [ 110931-77-6 ]
  • [ 19493-09-5 ]
  • [ 165115-70-8 ]
  • 7
  • [ 327183-32-4 ]
  • [ 19493-09-5 ]
  • 8-vinyl-3,4-dihydro-2H-1-benzopyran [ No CAS ]
  • 8
  • [ 19493-09-5 ]
  • [ 137076-22-3 ]
  • [ 180307-56-6 ]
YieldReaction ConditionsOperation in experiment
In tetrahydrofuran; hexanes; at -78 - 20℃; for 0.5h; To a suspension of methyltriphenylphosphonium bromide (1.76 g, 4.93 mmol) in THF (30 ml), cooled to -78 C., was added n-BuLi (1.88 ml of 2.5M soln. in hexanes; 4.68 mmol), and the mixture was stirred at -78 C. for 30 min and then at 0 C. for 45 min. It was cooled back to -78 C., and a solution of aldehyde 6 (0.50 g, 2.34 mmol) in THF (5 ml) was added. The reaction mixture was stirred at -78 C. for 30 min and warmed up to rt. It was quenched with water, and the product was extracted with CH2Cl2. The organic layer was dried over Na2SO4 and purified by flash chromatography (0.5% MeOH/CH2Cl2) to provide 0.24 g of 20 as a clear oil. Step 2: BOC-deprotection and amide coupling steps as described in Example 2 were used to obtain the title compound MS (M+H): 347.
 

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