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Carbon Dioxide → HCID 21317523, compound

HRID 1833458
Notes
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Reaction equation

HRID 1833458 reaction equation
[CH3:1][O:2][C:3]([CH2:5][CH2:6][CH2:7][C:8]#[C:9][CH2:10][C:11]([CH2:21][CH2:22][CH2:23][CH:24]([O:30][C:31](=[O:33])[CH3:32])[CH2:25][CH2:26][CH2:27][CH2:28][CH3:29])([S:17]([CH3:20])(=[O:19])=[O:18])C(OCC)=O)=[O:4].[Cl-].[Na+].C(=O)=O>CCOCC.O.CS(C)=O>[CH3:20][S:17]([CH:11]([CH2:21][CH2:22][CH2:23][CH:24]([O:30][C:31](=[O:33])[CH3:32])[CH2:25][CH2:26][CH2:27][CH2:28][CH3:29])[CH2:10][C:9]#[C:8][CH2:7][CH2:6][CH2:5][C:3]([O:2][CH3:1])=[O:4])(=[O:18])=[O:19]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 280Carbon DioxideHCID 5234Sodium ChlorideHCID 20358246HCID 20358246, compound

Product 1

HCID 21317523HCID 21317523, compound

Reagents, catalysts & solvents 3

HCID 679Dimethyl SulfoxideSolventHCID 962WaterSolvent2×
HCID 3283Diethyl EtherSolvent

Procedure

A solution of ethyl 2-(6-methoxycarbonyl-2-hexyn-1-yl)-2-(4-acetoxynonyl)-2-(methylsulfonyl)-acetate (48.8 g., 0.1 mole), water (3.6 g., 0.2 mole), and sodium chloride (6.5 g., 0.11 mole) in 120 ml. of dimethyl sulfoxide is heated at 130°-150° C. for 6 hours until evolution of carbon dioxide is completed. The mixture is cooled, treated with 400 ml. of water and the oily product taken up in ether, washed with water and dried over sodium sulfate. Evaporation of the ether in vacuo leaves the title compound as a yellow viscous oil.

Workup

  1. temperatureThe mixture is cooled
  2. additiontreated with 400 ml
  3. washwashed with water
  4. dry with materialdried over sodium sulfate
  5. customEvaporation of the ether in vacuo

Sources & evidence

ORD record
ord-30fef3e23cec4fa6b6bf5e2d9acc856a
Source dataset
uspto-grants-1978_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04066675

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes