Hypervalent organoantimony compounds 12-ethynyl-tetrahydrodibenz [c, f][1, 5] azastibocines: Highly efficient new transmetallating agent for organic halides

~77%

~73%

~74%

~80%

~61%

~57%

~0%

~63%

~92%

~77%

~97%

~75%

~69%

~74%

~42%

~67%

~77%

~86%

~55%

~56%