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Asymmetric ring-opening alkynylation of meso-azabenzonorbornadienes with (triisopropylsilyl)acetylene giving 2-alkynyl-1-aminodihydronaphthalenes took place in high yields with high enantioselectivity in the presence of a rhodium/(R)-DTBM-segphos catalyst.
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Nishimura et al. (2008) studied this question.
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