Therapeutic discrepancy of diallyl trisulfide and diallyl disulfide in part may be attributed to the resonance-stabilization of allylic cations and trisulfide anions

Chiu-Lan Hsieh, Chi Huang Chang, Hui Er Wang, Kuan Chou Chen, Charng Cherng Chyau, Robert Y. Peng

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Accumulating pharmacological evidence has revealed that diallyl trisulfide (DATS) is uniquely active and its therapeutic effect prevails over diallyl disulfide (DADS). The cited reasons involve the bond dissociation energy, interconversion, lipophilicity, and polarizability of DATS. We hypothesize that the resonance-stabilized DATS could provide some unique chemical species, which are not likely to form from DADS. GC/MS analysis showed the formation of nine ionic species in DATS, and seven ionic species in DADS. The two ions uniquely formed from DATS are allyl trisulfide (ATS) and trisulfide (TS) anions. The high resonance energy of allylic cation, 37kcalmol 1, facilitates the formation of allylic cation and TS anion from DATS. Consequently, the anions ATS and TS uniquely produced by DATS are likely critically important in the molecular bioactivity of DATS and probably function by enhancing the thiolation of glutathione and proteins producing microfilament oxidation and microtubule dysfunction.

Original languageEnglish
Pages (from-to)527-539
Number of pages13
JournalJournal of Sulfur Chemistry
Volume33
Issue number5
DOIs
Publication statusPublished - 2012 Oct 1

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Anions
Cations
Stabilization
diallyl trisulfide
diallyl disulfide
Bioactivity
Glutathione
Ions
Oxidation

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Hsieh, Chiu-Lan ; Chang, Chi Huang ; Wang, Hui Er ; Chen, Kuan Chou ; Chyau, Charng Cherng ; Peng, Robert Y. / Therapeutic discrepancy of diallyl trisulfide and diallyl disulfide in part may be attributed to the resonance-stabilization of allylic cations and trisulfide anions. In: Journal of Sulfur Chemistry. 2012 ; Vol. 33, No. 5. pp. 527-539.
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abstract = "Accumulating pharmacological evidence has revealed that diallyl trisulfide (DATS) is uniquely active and its therapeutic effect prevails over diallyl disulfide (DADS). The cited reasons involve the bond dissociation energy, interconversion, lipophilicity, and polarizability of DATS. We hypothesize that the resonance-stabilized DATS could provide some unique chemical species, which are not likely to form from DADS. GC/MS analysis showed the formation of nine ionic species in DATS, and seven ionic species in DADS. The two ions uniquely formed from DATS are allyl trisulfide (ATS) and trisulfide (TS) anions. The high resonance energy of allylic cation, 37kcalmol 1, facilitates the formation of allylic cation and TS anion from DATS. Consequently, the anions ATS and TS uniquely produced by DATS are likely critically important in the molecular bioactivity of DATS and probably function by enhancing the thiolation of glutathione and proteins producing microfilament oxidation and microtubule dysfunction.",
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Therapeutic discrepancy of diallyl trisulfide and diallyl disulfide in part may be attributed to the resonance-stabilization of allylic cations and trisulfide anions. / Hsieh, Chiu-Lan; Chang, Chi Huang; Wang, Hui Er; Chen, Kuan Chou; Chyau, Charng Cherng; Peng, Robert Y.

In: Journal of Sulfur Chemistry, Vol. 33, No. 5, 01.10.2012, p. 527-539.

Research output: Contribution to journalArticle

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AU - Chen, Kuan Chou

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AU - Peng, Robert Y.

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