Sodium Cyanide → HCID 68703981, compound

HRID 1024120Notes

Reaction equation

HRID 1024120 reaction equation
[CH3:1][O:2][C:3]([C:5]1[S:6][C:7]([CH2:10][CH2:11][CH2:12][C@H:13]2[CH2:17][CH2:16][C:15](OS(C(F)(F)F)(=O)=O)=[C:14]2[C:26]2[CH:31]=[CH:30][C:29]([CH:32]([O:38][CH2:39][C:40]3[CH:45]=[CH:44][C:43]([O:46][CH3:47])=[CH:42][CH:41]=3)[CH2:33][CH2:34][CH2:35][CH2:36][CH3:37])=[CH:28][CH:27]=2)=[CH:8][CH:9]=1)=[O:4].[C-:48]#[N:49].[Na+]>CC#N.[Cu]I.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:1][O:2][C:3]([C:5]1[S:6][C:7]([CH2:10][CH2:11][CH2:12][C@H:13]2[CH2:17][CH2:16][C:15]([C:48]#[N:49])=[C:14]2[C:26]2[CH:27]=[CH:28][C:29]([CH:32]([O:38][CH2:39][C:40]3[CH:45]=[CH:44][C:43]([O:46][CH3:47])=[CH:42][CH:41]=3)[CH2:33][CH2:34][CH2:35][CH2:36][CH3:37])=[CH:30][CH:31]=2)=[CH:8][CH:9]=1)=[O:4]

Participants

6

Conditions

Temperature
90 °C

Procedure

A solution of vinyl triflate 48 (61 mg, 0.088 mmol) in 1 mL CH3CN was cannula transferred to a flask containing NaCN (21 mg, 0.42 mmol, dried under vacuum at 105° C. over 3 days), CuI (13 mg, 0.069 mmol), and (Ph3P)4Pd (8 mg, 0.0066 mmol), rinsing with 1 mL CH3CN. The reaction was stirred at 90° C. for 2 h, cooled to room temperature and then filtered through Celite, washing with ethyl acetate. The filterate was washed with 20 mL water and 20 mL brine and then was dried (Na2SO4), filtered and evaporated. The residue was purified on a Combiflash unit by Teledyne Isco (4 g silica gel column, 0%→50% ethyl acetate/hexanes) to give the title compound (41 mg, 88%).

Workup

  1. customtransferred to a flask
  2. washrinsing with 1 mL CH3CN
  3. temperaturecooled to room temperature
  4. filtrationfiltered through Celite
  5. washwashing with ethyl acetate
  6. washThe filterate was washed with 20 mL water and 20 mL brine
  7. dry with materialwas dried (Na2SO4)
  8. filtrationfiltered
  9. customevaporated
  10. customThe residue was purified on a Combiflash unit by Teledyne Isco (4 g silica gel column, 0%→50% ethyl acetate/hexanes)

Sources & evidence

ORD record
ord-ec56252c15d34e35943fac69b435807b
Source dataset
uspto-grants-2014_05
Patent number
US08722726B2

Reaction notes

Loading…