• Journal of Radiopharmaceuticals and Molecular Probes
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• v.2 no.1
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• pp.51-55
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• 2016

Organofluorine compounds have become increasingly important as pharmaceuticals, radiopharmaceuticals, agrochemicals, and material science. Recent advances on the efficient introduction of fluorine to organic molecules are mainly results of development of transition metal catalysts and fluorination reagents. Among the various fluorination reagents, we have been interested in developing more efficient sulfur-based deoxyfluorinating reagents. Here we report various electronic properties of five popular sulfur-based deoxyfluorinating reagents using density functional theory calculation. We believe that the theoretical study on the reagents will assist the rational design of new deoxyfluorinating reagents.

• Food Science and Industry
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• v.50 no.2
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• pp.27-36
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• 2017

Today, the food packaging industry has a great interest in using active packaging to fresh food product as a solution for the future to positively provide its quality, safety and shelf life. Many researches have extensively studied functional packaging strategies in recently years. Controlled release packaging (CRP) is an innovative packaging technology in the packaging polymer matrix from which can active agents are delivered in a controlled way into the product. CRP technology is well-suited for controlling release of antimicrobial compounds and antioxidants to prevent food degradation reactions such as microbial growth and lipid oxidation. Advances in CRP technology allow food packaging manufacturers to challenge the development of better functional food packaging systems. This overview examines the most recent developments and technologies of active packaging for applying the food industry. The scope of this article has mainly been focused on controlled releasing systems.

• Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference
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• 2002.10b
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• pp.265-266
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• 2002

Nano materials have great potential for development of advanced lubricating and protecting materials. Nano-particles capped by organic compound such as organic acid, dialkyldithiophosphate (DDP) are capable to disperse stably in lubricating oils, and are able to reduce wear and to increase load-carrying capacity.

• Ceramist
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• v.21 no.3
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• pp.302-308
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• 2018

This work reported the trends of bioceramic materials for beauty-care applications with the several represent examples - tone-up, sun-care and anti-pollution cosmetics. The development of cosmetic techniques was discussed and reviewed with various ceramic hybrid materials. Moreover, we also reported the preparation and application of functional cosmetics with silicified liposome particles as a good make-up material for controlled release with natural compounds. The homogeneous loading and highly controlled-release formulation with porous and silicified ceramic liposome ceramic materials were discussed.

• Proceedings of the Korean Society of Crop Science Conference
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• 2017.10a
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• pp.286-286
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• 2017

• Proceedings of the PSK Conference
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• 2002.10a
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• pp.231.2-232
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• 2002

The synthesis of chiral 1,2-amino alcohols has been an area of intense study in the synthetic and industrial fields, because of their important roles in organic synthesis as fundamental building blocks and their occurrence in a number of natural products. drugs. and chiral auxiliaries or ligands. General methods for the synthesis of these compounds can be divided into two large categories: functional group transformations and the C-C or the C-N bond formations. (omitted)

• Proceedings of the Korean Society of Life Science Conference
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• 2008.10a
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• pp.82.2-82.2
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• 2008

• Bulletin of the Korean Chemical Society
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• v.33 no.4
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• pp.1209-1212
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• 2012

In spite of many reports in the literature concerning with oxidation of benzylic alcohols to carbonyl compounds with 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) in stoichiometric amounts or even more, we surprisingly found that benzylic alcohols are directly oxidized to oximes using a catalytic amount of DDQ in the presence of hydroxylamine hydrochloride under solvent-free conditions. The present tandem catalytic method can be efficiently used for preparation of oximes in the presence of some other functional groups with excellent chemoselectivity.

• Bulletin of the Korean Chemical Society
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• v.7 no.2
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• pp.142-145
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• 1986

Vinylation of highly hindered ${\beta}$-acetoxyvinyl mercurials with olefins in acetonitrile at room temperature in the presence of cupric chloride, as a reoxidant for the palladium, and a catalytic amount of $LiPdCl_3$ gave the corresponding conjugated dienes in moderate to good yields. The (E) or (Z) geometry in vinyl mercurials was retained in the vinylated products. The reaction was tolerant of a wide variety of functional groups ($CO_2$R, CN, OR, OAc) on either the vinyl mercurial or olefin compounds.

• Bulletin of the Korean Chemical Society
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• v.20 no.5
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• pp.551-555
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• 1999

11-Deoxydaunomycinone 15 and 10-fluoroanthracyclinone derivatives 9, 10 were obtained. Naphthalenone 4 prepared from 2-(2,4-pentadienyl)-1,3-dioxane 2 with methyl vinyl ketone and hydrolysis with HClO4 was condensed with phthalidesulfone 5 through Michael type reaction, and was converted to 7 by epoxidation. Epoxide 7 was transformed to trione 12 using reduction-oxidation or hydrofluorination process, and then to 15 by introducing several functional groups. Compound 8 obtained in the course of the reaction of epoxide 7 and HF/ Pyr was used for the synthesis of compounds 9, 10.