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29th January 2012 @ 23:46
*PS = Pictet-Spengler

*****Experiment still in progress with regular updates. Last updated 30/01/12.


Background
Repeat of procedure for the preparation of KAB8-5 with reduced catalyst loading.





Hazard and Risk Assessment
As for KAB8-5 (here)

Previous Related Experiments

Following Experiments

Procedure
A 0.26 M solution of TfOH in toluene was prepared by mixing TfOH (~195 mg) in toluene (5 mL). It was assumed the TfOH contributed negligible volume.

Added TfOH/toluene mixture 12:30 for KAB8-7 and 12:35 for KAB8-8.

Aliquot 1 - 12:40
Aliquot 2 - 13:20

KAB8-8 taken off @ 12:50.
KAB8-7 taken off @ 13:25.

Conclusion


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NOTES 30/01/12
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Scheme KAB8-X