Related Experiment Video
Updated: Jul 7, 2026

Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
Published on: February 11, 2012
Synthesis of syn-2,4-dimercapto-1,3,2,4-dithiadigermetane and its application to Ge2PdS4 cluster synthesis
Tsuyoshi Matsumoto1, Yosuke Matsui1, Mikinao Ito1
1Department of Chemistry, Graduate School of Science, and Research Center for Materials Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan, Fax: (+81) 52-789-2943.
Abstract:
The sulfurization of DmpGeH(3) (Dmp=2,6-dimesitylphenyl) afforded the trinuclear germanium sulfide [DmpGe(mu-S)](2)(mu-S)(2)Ge(SH)-Dmp and a series of polythiadigermabicyclo[x.1.1]alkanes (x=3, 4, 5). The reduction of the S--S bonds of these germabicycloalkanes by NaBH(4) at 0 degrees C afforded the dinuclear mercaptogermane syn-[DmpGe(SH)(mu-S)(2)Ge(SH)-Dmp] (5) in good yield. The reaction of [Pd(dppe)Cl(2)] (dppe=1,2-bis(diphenylphosphanyl)ethane) and the dilithium salt of 5 prepared in situ by the addition of nBuLi (2 equiv) gave the Ge(2)PdS(4) cluster [DmpGe(mu-S)](2)[(mu-S)(2)Pd(dppe)], in which the dithiadigermetanedithiolate is bound to the Pd atom at the two thiolato sulfur atoms. The same reaction with [Pd(PPh(3))(2)Cl(2)] gave another Ge(2)PdS(4) cluster, [DmpGe(mu-S)](2)[(mu-S)(2)Pd(PPh(3))], but with the dithiadigermetanedithiolate and the Pd center conjoined through a mu-S atom between the two germanium atoms in addition to the two thiolato sulfur atoms to form a highly distorted cluster core. The formation of two different types of Ge(2)PdS(4) clusters represents the usefulness of 5 in the synthesis of various polynuclear complexes composed of germanium and transition metals.
More Related Videos
12:43The Synthesis of [Sn10(Si(SiMe3)3)4]2- Using a Metastable Sn(I) Halide Solution Synthesized via a Co-condensation Technique
Published on: November 28, 2016
12:30Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Related Concept Videos
Diels–Alder Reaction Forming Cyclic Products: Stereochemistry
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction
Preparation of Alkynes: Dehydrohalogenation
Alkynes can be prepared by dehydrohalogenation of vicinal or geminal dihalides in the presence of a strong base like sodium amide in liquid ammonia. The reaction proceeds with the loss of two equivalents of hydrogen halide (HX) via two successive E2 elimination reactions.