Synlett 2015; 26(18): 2578-2582
DOI: 10.1055/s-0035-1560264
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© Georg Thieme Verlag Stuttgart · New York

A New Microfluidic Phase-Transfer Reaction Using HPLC Guard Columns as the Reactor for the N3-Protection of Uridine Derivatives

Nobuhiro Tago
a   Department of Life Science, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama, Kanagawa, 226-8501, Japan   Email: kseio@bio.titech.ac.jp   Email: msekine@bio.titech.ac.jp
,
Yoshiaki Masaki
a   Department of Life Science, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama, Kanagawa, 226-8501, Japan   Email: kseio@bio.titech.ac.jp   Email: msekine@bio.titech.ac.jp
,
Hiroshi Nagasawa
b   Kankyo Resilience Co., Ltd, 79-7 Tokiwadai, Hodogaya-ku, Yokohama, 240-0067, Japan   Email: resilience_info@yahoo.co.jp
,
Takashi Kanamori
a   Department of Life Science, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama, Kanagawa, 226-8501, Japan   Email: kseio@bio.titech.ac.jp   Email: msekine@bio.titech.ac.jp
,
Akihiro Ohkubo
a   Department of Life Science, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama, Kanagawa, 226-8501, Japan   Email: kseio@bio.titech.ac.jp   Email: msekine@bio.titech.ac.jp
,
Kohji Seio*
a   Department of Life Science, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama, Kanagawa, 226-8501, Japan   Email: kseio@bio.titech.ac.jp   Email: msekine@bio.titech.ac.jp
,
Mitsuo Sekine*
a   Department of Life Science, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama, Kanagawa, 226-8501, Japan   Email: kseio@bio.titech.ac.jp   Email: msekine@bio.titech.ac.jp
› Author Affiliations
Further Information

Publication History

Received: 13 July 2015

Accepted after revision: 12 August 2015

Publication Date:
22 September 2015 (online)


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Abstract

N3-Acylation of uridine derivatives with acyl chlorides, mediated by a phase-transfer reaction, was studied using a new microfluidic device containing an HPLC guard as an effective reactor. The acylated products were obtained in more than 80% yields in very short reaction times of several seconds.

Supporting Information