1,2-Dichlorobenzene → HCID 22459076, compound

HRID 2185064Notes

Reaction equation

HRID 2185064 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-b9ef4fd464b34099a64fac99b5f873dd
Source dataset
uspto-grants-2002_06
Patent number
US06399640B1

Reaction notes

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