81355-68-2Relevant academic research and scientific papers
REGIOSELECTIVE TRANSFORMATION OF INTERNAL ALKYNES TO UNSYMMETRICAL KETONES. NOVEL ROUTES TO KEY INTERMEDIATES FOR THE SYNTHESIS OF CARBAPENEM AND CARBACEPHEM SKELETONS
Nishida, Atsushi,Shibashaki, Masakatsu,Ikegami, Shiro
, p. 4819 - 4822 (1981)
Hydrostannation of the internal alkynes (2,7) with tri-n-butyltin hydride afforded the alkenylstannes (3,8) regioselectively, from wich the ketones (6,11,12), intermediates for the synthesis of carbapenem and carbacephem skeletons, were synthesized.
