Neighbouring group participation on the bromination of methyl gibberellate: X-ray molecular structure of methyl 3,13-di-O-acetylgibberellate 16β,17-dibromide and ent-3α, 13-diacetoxy-17-bromo-10β,16β-dihydroxy-20-norgibberell-1-ene-7,19- dioic acid 19,10-lactone 7-methyl ester

1. Collado, I.G.
2. Fraga, B.M.
3. Hanson, J.R.
4. Hitchcock, P.B.
5. Tellado, F.G.