ChemInform Abstract: FACILE CONVERSION OF THIOSULFINIC S‐ESTER TO SULFINIC ESTER

Takata, T.; Ōae, Shigeru

doi:10.1002/chin.198313189

Cited by 2 publications

(2 citation statements)

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“…Here, sulfenyl groups are replaced by alcohols (Scheme 805). 2181 The bromine-catalyzed oxidation of sulfides with hydrogen peroxide was studied by Bravo et al 2182 Dibenzyl sulfide reacts with hydrogen peroxide and a catalytic amount of bromine, leading mainly to dibenzyl sulfoxide (Scheme 806) and minor amounts of benzyl bromide, benzenemethanesulfonic acid, benzyl alcohol, and benzaldehyde. Benzyl bromide and benzenemethanesulfonic acid were obtained in almost quantitative yield by using a stoichiometric amount of bromine in the absence of hydrogen peroxide.…”

Section: Miscellaneous Reactions Using Other Bromo-organic Compoundsmentioning

confidence: 99%

Use of Bromine and Bromo-Organic Compounds in Organic Synthesis

2016

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Bromination is one of the most important transformations in organic synthesis and can be carried out using bromine and many other bromo compounds. Use of molecular bromine in organic synthesis is well-known. However, due to the hazardous nature of bromine, enormous growth has been witnessed in the past several decades for the development of solid bromine carriers. This review outlines the use of bromine and different bromo-organic compounds in organic synthesis. The applications of bromine, a total of 107 bromo-organic compounds, 11 other brominating agents, and a few natural bromine sources were incorporated. The scope of these reagents for various organic transformations such as bromination, cohalogenation, oxidation, cyclization, ring-opening reactions, substitution, rearrangement, hydrolysis, catalysis, etc. has been described briefly to highlight important aspects of the bromo-organic compounds in organic synthesis.

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Section: Miscellaneous Reactions Using Other Bromo-organic Compoundsmentioning

confidence: 99%

Use of Bromine and Bromo-Organic Compounds in Organic Synthesis

2016

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“…The method of Takata et al (1982) was modified to synthesize ethyl 2-propenesulfinate from crude allicin. The thiosulfinate was dissolved in 70 mL of cold absolute ethanol.…”

Section: Introductionmentioning

confidence: 99%

Identification and quantification of organosulfur compliance markers in a garlic extract

Weinberg¹,

Manier²,

Richardson³

et al. 1993

J. Agric. Food Chem.

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Marker compounds are needed to determine dietary compliance in free-living human study populations participating in dietary intervention trials for cancer research. Nine organosulfur marker compounds were detected and identified in an aged garlic extract. A convenient method that involves solvent extraction and gas chromatographic/mass spectrometric analysis was developed to quantify the organosulfur compounds in the garlic extract. Although the garlic extract proved to be unstable and the concentration of the organosulfur compounds varied with time, one analysis of the extract gave the following results: methyl disulfide (0.607 pglg), methyl trisulfide (0.181 pglg), allyl sulfide (2.02 pglg), allyl disulfide (0.784 pg/g), allyl trisuifide (0.795 pg/g), allyl methyl sulfide (1.64 pg/g), allyl methyl disulfide (0.411 pglg), allyl methyl trisulfide (0.695 pg/g), and ethyl 2-propenesulfinate (11.4 pglg).

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ChemInform Abstract: FACILE CONVERSION OF THIOSULFINIC S‐ESTER TO SULFINIC ESTER

Cited by 2 publications

References 1 publication

Use of Bromine and Bromo-Organic Compounds in Organic Synthesis

Use of Bromine and Bromo-Organic Compounds in Organic Synthesis

Identification and quantification of organosulfur compliance markers in a garlic extract

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