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On‐Surface Synthesis of Adenine Oligomers via Ullmann Reaction
Author(s) -
Zhang Yanmin,
Ding Yuanqi,
Xie Lei,
Ma Honghong,
Yao Xinyi,
Zhang Chi,
Yuan Chunxue,
Xu Wei
Publication year - 2017
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201701009
Subject(s) - ullmann reaction , chemistry , density functional theory , coupling reaction , dna , derivative (finance) , combinatorial chemistry , scanning tunneling microscope , computational chemistry , nanotechnology , materials science , organic chemistry , catalysis , biochemistry , financial economics , economics
Abstract Despite the fact that DNA bases have been well‐studied on surface, the on‐surface synthesis of one‐dimensional DNA analogs through in situ reactions is still an interesting topic to be investigated. Herein, from the interplay of high‐resolution scanning tunneling microscopy (STM) imaging and density functional theory (DFT) calculations, we have delicately designed a halogenated derivative of adenine as precursor to realize the combination of DNA bases and Ullmann reaction, and then successfully synthesized adenine oligomers on Au(111) via Ullmann coupling. This model system provides a possible bottom‐up strategy of fabricating adenine oligomers on surface, which may further give access to man‐made DNA strands with multiple bases.