Continuous production of a near infrared absorbing chromophore

In H. Song, Chang H. Rhee, Sang Hyun Park, Su Lim Lee, Dmitry Grudinin, Kwang Ho Song, Jaehoon Choe

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The nickel dithiolene complex-type near-infrared chromophore, nickel bis-(1,2-diisopropylthioethane-1,2-dithiolene), was synthesized in three reaction steps and applied to a near-infrared cutoff filter for PDP TV. A microreactor was employed in the strong exothermic reaction of 2-propanethiol and oxalyl chloride. A 90% yield of S,S -diisopropyl dithiooxalate was obtained with a 75% reduction in solvent usage. Thionation of S,S -diisopropyl dithiooxalate with the use of tetraphosphorus decasulfide and aluminum hydroxide provided a clean dithiolene feed for the next continuous step. The final product was efficiently produced in a microreactor and a tubular reactor in series using nickel chloride solution and dithiolene synthesized from thionation in a batch reactor.

Original languageEnglish
Pages (from-to)1012-1015
Number of pages4
JournalOrganic Process Research and Development
Volume12
Issue number5
DOIs
Publication statusPublished - 2008 Sep 19

Fingerprint

Chromophores
Nickel
chromophores
nickel
Infrared radiation
Aluminum Hydroxide
Exothermic reactions
Batch reactors
chlorides
reactors
exothermic reactions
hydroxides
cut-off
aluminum
filters
products
nickel chloride
propanethiol
oxalyl chloride

ASJC Scopus subject areas

  • Organic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Song, I. H., Rhee, C. H., Park, S. H., Lee, S. L., Grudinin, D., Song, K. H., & Choe, J. (2008). Continuous production of a near infrared absorbing chromophore. Organic Process Research and Development, 12(5), 1012-1015. https://doi.org/10.1021/op800077j

Continuous production of a near infrared absorbing chromophore. / Song, In H.; Rhee, Chang H.; Park, Sang Hyun; Lee, Su Lim; Grudinin, Dmitry; Song, Kwang Ho; Choe, Jaehoon.

In: Organic Process Research and Development, Vol. 12, No. 5, 19.09.2008, p. 1012-1015.

Research output: Contribution to journalArticle

Song, IH, Rhee, CH, Park, SH, Lee, SL, Grudinin, D, Song, KH & Choe, J 2008, 'Continuous production of a near infrared absorbing chromophore', Organic Process Research and Development, vol. 12, no. 5, pp. 1012-1015. https://doi.org/10.1021/op800077j
Song, In H. ; Rhee, Chang H. ; Park, Sang Hyun ; Lee, Su Lim ; Grudinin, Dmitry ; Song, Kwang Ho ; Choe, Jaehoon. / Continuous production of a near infrared absorbing chromophore. In: Organic Process Research and Development. 2008 ; Vol. 12, No. 5. pp. 1012-1015.
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