1001920-51-9Relevant academic research and scientific papers
Intramolecular Nicholas reactions in the synthesis of dibenzocycloheptanes. Synthesis of allocolchicine NSC 51046 and analogues and the formal synthesis of (-)-allocolchicine
Djurdjevic, Sinisa,Yang, Fei,Green, James R.
, p. 8241 - 8251 (2011/03/18)
The preparation of dibenzocycloheptyne-Co2(CO)6 complexes by intramolecular Nicholas reactions of biaryl-2-propargyl alcohol-Co2(CO)6 derivatives is described. Reductive decomplexation of the dibenzocycloheptyne
Allocolchicines via intramolecular Nicholas reactions: The synthesis of NSC 51046
Djurdjevic, Sinisa,Green, James R.
, p. 5505 - 5508 (2008/09/18)
Biaryl propargyl acetate hexacarbonyldicobalt complexes (4) undergo Lewis acid mediated Nicholas reactions with a remote arene function to afford dibenzocycloheptyne complexes (9). Reductive decomplexation based on a hydrosilylation-protodesilylation prot
