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11th May 2017 @ 05:06

Apologies this lab experiment was performed on Thurs/Fri 4/5th May

Outcome:

Obtained the desired product in quantitative yields. NMR Spectra to be uploaded asap.

Reason for Experiment: Synthesised for SSP Class 2017

 

Scheme:

 

Procedure:


AEW 85 (5.00 g, 34.6 mmol, 1.00 equiv.) was dissolved in EtOH (346 mL) and then 4-chlorobenzaldehyde (4.86 g, 34.6 mmol, 1.00 equiv.) was added. The brown/orange soln. was stirred for ten minutes at room temperature. A pale brown solid crashed out of the reaction mixture. The reaction was stirred for a further 2 h and then progress monitored by TLC (10% EtOAc in Hexane) - reaction complete.

Solid filtered under vacuum to give a pale yellow solid 9.8 g, that was dried at the high vac to yield a pale beige/brown powder in quantitative yield. Used as crude in following SSP reactions without NMR evaluation

Hazard and Risk Assessment:

HIRAC SSP OSDD Prac 1 2016.doc

Data:

TLC at 40 min (10% EtoAc in Hexane)

AEW 273-1 (10% EtoAc in Hex).JPG

NMR

Strings:

ClC1=CN=CC(N/N=C/C2=CC=C(Cl)C=C2)=N1

to

ClC1=CN=CC2=NN=C(C3=CC=C(Cl)C=C3)N21

 

InChI=1S/C11H8Cl2N4/c12-9-3-1-8(2-4-9)5-15-17-11-7-14-6-10(13)16-11/h1-7H,(H,16,17)/b15-5+

to

InChI=1S/C11H6Cl2N4/c12-8-3-1-7(2-4-8)11-16-15-10-6-14-5-9(13)17(10)11/h1-6H