When treated with sodium ethoxide in ethanol, iso-LSD formed a C-8 carbanion. |
Methylation was performed with potassium methyl-suphinyl carbanion and methyl iodide in dimethyl sulphoxide as described by Harris et al. |
The key intermediates would be a benzylic carbanion, a benzylic radical and a hydroperoxy radical arising from via oxygen trapping. |