[Nescafe]

Sounds like good honest advice, appreciate the *delete me*

[Archer]

I see a 60% of what the author's report and 40% of the other isomer. I was wondering if this is unusual since based on that paper it is almost a 100% conversion to one isomer. Might have to contact the authors directly.

I can't find any mention of yield in Scheme 3 of the paper.

If all else fails then your products should be separable with the right chromatography.