ORGANIC LETTERS
New Preparation of Benzylic Aluminum and Zinc Organometallics by Direct Insertion of Aluminum Powder
2011 Vol. 13, No. 24 6440–6443
Tobias D. Bl€ umke, Klaus Groll, Konstantin Karaghiosoff, and Paul Knochel* Department Chemie, Ludwig-Maximilians-Universit€ at, Butenandtstrasse, 5-13, 81377 M€ unchen, Germany
[email protected] Received October 12, 2011
ABSTRACT
The reaction of commercial Al-powder (3 equiv) and InCl3 (15 mol %) with benzylic chlorides provides various functionalized benzylic aluminum sesquichlorides under mild conditions (THF, 20 °C, 324 h) without homocoupling (