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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Chemistry Lettersarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Chemistry Letters
Article . 1987 . Peer-reviewed
License: OUP Standard Publication Reuse
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Direct Chain Elongation of N-Carbamoylpyroglutamate. An Efficient Synthesis of (−)-Pyrrolidine-2,5-Dicarboxylic Acid

Authors: Tomihisa Ohta; Akio Hosoi; Toshihiko Kimura; Shigeo Nozoe;

Direct Chain Elongation of N-Carbamoylpyroglutamate. An Efficient Synthesis of (−)-Pyrrolidine-2,5-Dicarboxylic Acid

Abstract

Abstract (−)-Pyrrolidine-2,5-dicarboxylic acid, an acidic amino acid component of marine red alga Schizymenia dubyi, has been synthesized with a direct chain elongation reaction of N-carbamoylpyroglutamates at C-5 and a pyrrolidine ring formation.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
52
Average
Top 1%
Top 10%
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