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We study the semileptonic decay of $B^{-}_c$ meson into $\bar{\nu} l^-$ andthe isospin zero $X(3930)~(2^{++})$, $X(3940)~(0^{++})$, $X(4160)~(2^{++})$resonances. We look at the reaction from the perspective that these resonacesappear as dynamically generated from the vector-vector interaction in the charmsector, and couple strongly to $D^{*}\bar{D^{*}}$ and$D^{*}_{s}\bar{D_{s}^{*}}$. We also look into the $B^{-}_c \rightarrow\bar{\nu}_{l} l^- D^{*}\bar{D^{*}}$ and $B^{-}_c \rightarrow \bar{\nu}_{l} l^-D^{*}_{s}\bar{D_{s}^{*}}$ reactions close to threshold and relate the$D^{*}\bar{D^{*}}$ and $D^{*}_{s}\bar{D_{s}^{*}}$ mass distribution to the rateof production of the $X$ resonances.

Semileptonic decay of $B^{-}_c$ into $X(3930)$, $X(3940)$, $X(4160)$