Fig. 2: Proposed mechanisms of sulfuryl transfer in O-sulfation.
From: Late-stage O-sulfation with a bioinspired sulfuryl donor

A Bimolecular pathways. B Activated sulfuryl donor nBu4N-PNPS by tetrabutylammonium counterion.
From: Late-stage O-sulfation with a bioinspired sulfuryl donor
A Bimolecular pathways. B Activated sulfuryl donor nBu4N-PNPS by tetrabutylammonium counterion.