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김인규,백용균,Goedde, H Werner,Benkmann, Heide G,조율희 한국유전학회 1988 Genes & Genomics Vol.10 No.4
Serum cholinesterase and N-acetyltransferase polymorphisms were investigated in unrelated individuals from different parts of South Korea. The frequency of the allele(Ac*S) controlling the slow acetylation was ca. 0.561; no atypical variants of normal serum cholinesterase which fail to hydrolyse suxamethonium could be found. The phenotype distribution of the two pharmacogenetic markers in different populations of the world is described.
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김인규,김명진 성균관대학교 기초과학연구소 1987 論文集 Vol.38 No.1
The isolation and structure determination of secondary metabolites of sea weeds is currently a very active research field in the natural product chemistry. Two typical halochamigrane sesquiterpenoid metabolites, designated as elatol(30) and obtusol(31), from the Caribbean Sea marine red alga Laurencia obtusa was isolated and characterized by spectroscopic methods.
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Claisen 전이반응을 이용한 γ,δ-불포화알데히드의 합성
김인규,김영애,황국상 성균관대학교 기초과학연구소 1986 論文集 Vol.37 No.2
The Claisen rearrangement of alyl vinyl ether is known as useful reaction for preparations of γ, δ-unsaturated carbonyl compounds. The reaction is a [3, 3]-sigmatropic rearrangement and takes place by a concerted mechanism through a cyclic six-membered transition state. Through Claisen rearrangement 2, 3-dimethyl-5-methyl-4-hexenal(13) was prepared from isobutyraldehyde(10) and 2-methyl-3-buten-2-ol, and also 3, 3-dimethyl-4-pentanal was prepared from 3-methyl-2-buten-1-ol and ethyl vinyl ether.
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2-Methylthiobenzothiazole 유도체 합성
金寅圭,柳燦模 成均館大學校 科學技術硏究所 1983 論文集 Vol.34 No.1
The reactivity of 2-methylthiobenzothiazole (2) and 2-methylsulfinylbenzothiazole (3) with various chlorinating reagents has been studied. The reaction of 2 with N-chlorosuccinimide led to 2-chloromethyltliiobenzothiazole (4). On the other hand with sulfuryl chloride, 2-chlorobenzothiazole (6) was obtained as a major product from carbon-sulfur bond cleavage. From the reaction of 3 and thionyl chloride at a low temperature, 6 and reduced product 2 were obtained about 75% and 20% respectively. At high temperature, the result is reversed: 2 and 6 were obtained about 80% and 20% respectively. The resulting mixture of reactions was analyzed using gas chromatography. A reasonable interpretation was provided for the competitive reactions.
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김인규,홍영택,김성수 성균관대학교 1991 論文集 Vol.42 No.1
Strigol은 목화의 뿌리에서 추출된 천연물로서 벼, 옥수수, 사탕수수등에 기생하는 피류(striga species)등의 씨앗을 발아시키는데 월등한 효능을 보인다.(10^-12M∼10^-11M, 80% 발아) 그런데 이런 잡초는 오랜 기간(15∼20년) 동안 흙속에서 휴면하고 있기 때문에 이들의 방제가 매우 어렵다. 이들은 방제할 수 있는 제초제 개발을 위해서 여러 가지 strigol 유사체들을 합성하였다. Strigol, a natural product isolated from root exudates of cotton, was found to be an extremely potent seed germination stimulant for the parasitic plant, witchweed. Witchweed seeds can remain dormant in the soil for several years until favorable conditions prevail including exposure to some type of chemical germination stimulant. Elucidation of the structure of strigol led to the synthesis of several analogues.
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털골뱅이(Fusitriton oregonensis)의 성분 연구
金寅圭,朴善求,崔炳來 성균관대학교 기초과학연구소 1993 論文集 Vol.44 No.1
Two saturated and four unsaturated glycerol ethers : 3-hexadecyloxy-1, 2-propanediol (chimyl alcohol)(1), 3-octadecyloxy-1,2-proapnediol (bathyl alcohol)(2), 3-dodecenyloxy-1,2-propanediol(3), 3-tridecenyl-1,2-propanediol(4), 3-tetradecenyloxy-1,2-propanediol(5), 3-hexa-decenyloxy-1,2-propanediol(6) were isolated from marine mollusca Fusitriton oregonensis from Samchuck of the East cost of Korea. Their structure were identified from ^1H-, ^13C-NMR, FT-IR and GC-MS.
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