1,2-Dichlorobenzene → HCID 22459076, compound

HRID 1532178Notes

Reaction equation

HRID 1532178 reaction equation
[C:1]1([CH2:7][CH2:8][C:9]2[C:13]3[CH:14]=[CH:15][C:16]([O:18]CC=C)=[CH:17][C:12]=3[O:11][CH:10]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Cl[C:23]1[CH:28]=CC=C[C:24]=1Cl>>[C:1]1([CH2:7][CH2:8][C:9]2[C:13]3[CH:14]=[CH:15][C:16]([OH:18])=[C:17]([CH2:28][CH:23]=[CH2:24])[C:12]=3[O:11][CH:10]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

Participants

3

Conditions

Temperature
50 °C

Procedure

The product from Step D (1.245 grams), dissolved in 1,2-dichlorobenzene (20 mL) was refluxed under nitrogen for 11 hours. The solution was cooled to approx. 50° C. High vacuum was applied and the solvent removed until the residue solidified. The solid was dissolved in CH2Cl2 (100 mL), recovered, re-evaporated and chromatographed over silica gel (5:1 hex/ethyl acetate). Evaporation of the appropriate fractions gave the title compound as a pale yellow solid.

Workup

  1. temperaturewas refluxed under nitrogen for 11 hours
  2. customthe solvent removed until the residue solidified
  3. dissolutionThe solid was dissolved in CH2Cl2 (100 mL)
  4. customrecovered
  5. customre-evaporated
  6. customchromatographed over silica gel (5:1 hex/ethyl acetate)
  7. customEvaporation of the appropriate fractions

Sources & evidence

ORD record
ord-33edf3becae441a999105c5a333b099d
Source dataset
uspto-grants-2001_03
Patent number
US06200998B1

Reaction notes

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