A cyclic (alkyl)(boryl)germylene derived from a cyclic (alkyl)(amino)germylene

A cyclic (alkyl)(boryl)germylene derived from a cyclic (alkyl)(amino)germylene

A cyclic (alkyl)(amino)germylene undergoes a ring expansion reaction with dibromomesitylborane (MesBBr2 ) to afford a six-membered dibromogermane derivative. In the presence of Lewis bases (PMe3 or Me NHC), reduction of the latter with two equivalents of potassium graphite (KC8 ) gives rise to cycli...

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Bibliographic Details
Main Authors: Rao, Bin, Kinjo, Rei
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2021
Subjects:
Science::Chemistry
Boron
Germylenes
Online Access:https://hdl.handle.net/10356/146214
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Institution: Nanyang Technological University
Language: English
Description
Summary:A cyclic (alkyl)(amino)germylene undergoes a ring expansion reaction with dibromomesitylborane (MesBBr2 ) to afford a six-membered dibromogermane derivative. In the presence of Lewis bases (PMe3 or Me NHC), reduction of the latter with two equivalents of potassium graphite (KC8 ) gives rise to cyclic (alkyl)(boryl)germylene-Lewis base adducts. Upon heating, the germylene-PMe3 adduct reacts with H2 to yield a germane, probably via a base-free germylene featuring a small HOMO-LUMO gap.

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