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1st July 2009 @ 13:00
Experiment: Reaction_of_X_and_Y
Lab Book-Expt. Code: 1111-001
Date Of Experiment: 29.06.09
Procedural Step: Yield_1.
Post Type: Yield
The yield of the reaction was 141.304mg with with a formula mass of 157g/mol.

Starting material (X) was 99.876mg with with a formula mass of 91g/mol.

Yield is calculated as:
(141.304/157/99.876/91)X100=82%

Comments:

Previous Post Reaction of X and Y - Product
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1st July 2009 @ 12:46
Experiment: Reaction_of_X_and_Y
Lab Book-Expt. Code: 1111-001
Date Of Experiment: 29.06.09
Procedural Step: Product_1
Post Type: Product
Compound Name:Molecular Weight:Empirical Formula:
Product A157 g/molC10H5O2



Structure Picture Placeholder


State:NMR Solvent:
solidDeuterated DMSO
TLC Characteristics: Recrystalize From:
EtOH


Previous Post Reaction of X and Y - Method 2
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1st July 2009 @ 11:04
Experiment: Reaction_of_X_and_Y
Lab Book-Expt. Code: 1111-001
Date Of Experiment: 29.06.09
Procedural Step: Method_2
Post Type: Method
  • Reaction was acidified to pH2 with dilute HCl
  • precipitate formed was filtered and dried under reduced pressure
  • pale yellow solid was recrystallised from hot EtOH
  • to give colourless crystals


Previous Post Monitoring Template - TLC
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1st July 2009 @ 10:12
Experiment: Reaction_of_X_and_Y
Lab Book-Expt. Code: 1111-001
Date Of Experiment: 29.06.09
Procedural Step: Monitoring_-_TLC
Post Type: Monitoring
Monitoring Type: TLC
A TLC was run
Plate type: Silica
Eluent type: 95:5 DCM:MeOH.

*** Image Place Holder ***

What Spotted (L-R):-starting material, mixed spot, reaction

Spot (no. from bottom) Height (mm) Rf Visible Short Wave UV Long Wave UV Dip Type Dip Result Inference
Solvent Front281N/AN/AN/AN/AN/AN/A
3260.93yesN/AorangeN/AN/Astarting material
2100.36yes - v. feintN/AblueN/AN/Adecomposition? contaminant?
160.21yesN/AorangeN/AN/Aproduct



Conclusions: no starting material left, reaction gone to completion

Previous Post Reaction of X and Y - Method 1
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1st July 2009 @ 10:08
Experiment: Reaction_of_X_and_Y
Lab Book-Expt. Code: 1111-001
Date Of Experiment: 29.06.09
Procedural Step: Method_1
Post Type: Method
  • Charge round bottom flask with X (9.987 mg, 1.2mmol) and solvent Z (10mL)
  • Add Y (13.562 mg, 2.4 mmol), solution becomes pale yellow
  • reflux for 3 hours


Previous Post Reaction of X and Y - Planning
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