https://www.thevespiary.org/rhodium/Rhodium/chemistry/tcboe/chapter7.html (https://www.thevespiary.org/rhodium/Rhodium/chemistry/tcboe/chapter7.html)
(the halosafrole section), and the associated references. Swin is also close to performing the halosafrole method for bromo->MDA; he's just making sure he gets the numbers right, so the bomb doesn't explode on him.