1,2-Thiaborolide:  A New Heteroaromatic π-Ligand Containing Boron and Sulfur AsheArthur J. FangXiangdong KampfJeff W. 2000 The heteroaromatic anion lithium 2-(diisopropylamino)-1,2-thiaborolide (<b>3</b>) has been prepared by a synthesis using the Grubbs ring-closing metathesis. <b>3</b> has been converted to the Cp*Ru complex <b>10</b>, the Cp*ZrCl<sub>2</sub> complex <b>11</b>, and the Me<sub>2</sub>Si-bridged CpZrCl<sub>2</sub> complex <b>15</b>.