A convenient method for the synthesis of electron-rich phosphonates
作者:Shijun Zheng、Stephen Barlow、Timothy C. Parker、Seth R. Marder
DOI:10.1016/j.tetlet.2003.08.110
日期:2003.10
Very electron-rich benzylic-type phosphonates can be prepared by treating the corresponding alcohols in triethyl phosphite with one equivalent of iodine at all appropriate temperature in a general one-pot process. (C) 2003 Elsevier Ltd. All rights reserved.
High two-photon cross-sections in bis(diarylaminostyryl) chromophores with electron-rich heterocycle and bis(heterocycle)vinylene bridges
作者:Shijun Zheng、Luca Beverina、Stephen Barlow、Egbert Zojer、Jie Fu、Lazaro A. Padilha、Christian Fink、Ohyun Kwon、Yuanping Yi、Zhigang Shuai、Eric W. Van Stryland、David J. Hagan、Jean-Luc Brédas、Seth R. Marder
DOI:10.1039/b618265h
日期:——
Chromophores in which vinylene units and either pyrrole or dialkoxythiophene groups form the bridge between two diarylaminophenyl groups exhibit two-photon cross-sections of 1000-5000 GM at 600-650 nm.