Herein we report the syntheses of terminal Sn(II) (3) and Ge(II) (4) hydrides from the corresponding chloride precursors [{2,6-iPr2C6H3NCMe}2C6H3MCl] (M = Sn (1), Ge (2)) using [K{B(sec-Bu)3}H] as a hydrogenating agent. Combination of steric shielding and intramolecular N → M interactions resulted in the protection of M(II)–H bonds.
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