• 대한화학회지
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• 제23권6호
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• pp.402-411
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• 1979

Pyrrolidone의 음이온중합의 새로운 개시제로서 Pyrrolidone-N-sulfonyl chloride를 합성하고, 이 개시제에 의한 중합반응기구를 제안하였으며, 중합결과를 분석 고찰하여 다른 개시제의 경우와 비교하였다. Pyrrolidone-N-sulfonyl chloride의 농도를 작게할 수록 합성되는 고분자의 점도가 증가함을 관찰하였으며, 개시제의 KOH에 대한 비율이 0.25일때 중합속도 및 중합수율이 가장 큰 결과를 얻었다. PNSC/KOH 촉매작용에 의한 pyrrolidone의 음이온 중합은, $CO_2$/KOH 촉매작용의 경우에 비하여 일반적으로 중합속도가 빠르고, 중합수율도 높았다.

• 약학회지
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• 제35권4호
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• pp.288-294
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• 1991

A new fluorescent derivatizing reagent was developed to be used in HPLC for the trace determination of primary and secondary amines. This new reagent, 1-(N,N-dimethylamino)pyrene-6-sulfonyl chloride, was synthesized by the chlorination of sodium 1-(N,N-dimethylamino)pyrene-6-sulfonate which was obtained from 1-(N,N-dimethylamino)pyrene after sulfonation. Ephedrine and norephedrine were derivatized quantitatively by this reagent. The optimum conditions for the derivatization such as pH, reagent concentration, reaction time and reaction temperature ware examined. The structures of derivatives were identified by IR, $^{1}$H-NMR and MS methods. The fluorescence properties and the stability of the derivatives were examined. The derivatives were separated on silica column with an isocratic elution using the mixture of n-hexane and ethylacetate and monitored by fluorescene detector. Linear calibration curves were obtained and detection limits in a 10 $\mu$l injection volume were 5 picomole for ephedrine and norephedrine.

• 대한화학회지
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• 제18권3호
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• pp.171-174
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• 1974

Sulfonyl chloride $ RSO_2Cl,\;R=C6H_5-,\;CH3-,\;OCH3-$ 및 $(CH_3)_2N-$에 대하여 EHT계산을 하였으며 바닥상태의 전자구조 특성과 $S_N$반응성을 논의하였다. 특히 $R=OCH_3$의 경우 Buncel이 제안한 Cl에서의 치환가능성을 검토하였다.

• Macromolecular Research
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• 제17권8호
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• pp.557-562
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• 2009

The free radical polymerization of styrene was initiated with azobis(isobutyronitrile) in the presence of benzene sulfonyl chloride. Analysis of the terminal structures of the obtained polystyrene with $^1H$ NMR spectroscopy revealed the presence of a phenyl sulfonyl group at the ${\alpha}$-end and a chlorine atom at the ${\omega}$-end of each polystyrene chain. The terminal chlorine atom in the polystyrene chains was further confirmed through atom transfer radical polymerization (ATRP) of styrene and methyl acrylate using the obtained polystyrenes as macroinitiators and CuCl/2,2'-bipyridine as the catalyst system. GPC traces of the products obtained in ATRP at different reaction times were clearly shifted to higher molecular weight direction, indicating that nearly all the macroinitiator chains initiated ATRP of the second monomers. In addition, the number-average molecular weights of the polystyrenes increased directly proportional to the monomer conversions, and agreed well with the theoretical ones.

• Bulletin of the Korean Chemical Society
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• 제11권1호
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• pp.65-69
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• 1990

The nucleophilic substitution reactions of naphthalene-1,5-disulfonyl chloride and 4-fluorosulfonylbenzenesulfonyl chloride with p-substituted anilines and methyl substituted pyridines in methanol-acetonitrile mixtures and hydrolyses of those disulfonyl halides have been studied by means of conductometric and polarographic methods. A large difference in the selective parameter, ${\rho}_N$ between mono-sulfonyl chloride and disulfonyl halide can be taken as an evidence that the second $SO_2Cl$ grolup of naphthalene-1,5-disulfonyl chloride also takes part in the reaction in contrast to sulfonyl fluoride in 4-fluorosulfonylbenzenesulfonyl chloride, which only acts as a substituent in the nucleophilic substitution reaction.

• 공업화학
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• 제2권4호
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• pp.348-355
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• 1991

Hexamethylcyclotrisiloxane($D_3$), tetramethylcyclotetrasiloxane(TMCTS)을 공중합 시켜 Si-H 결합을 함유한 polysiloxane 공중합체를 합성하고 allylamine과 반응시켜 amino 기를 도입시킨후 naphthoquinone-1,2-diazide-5-sulfonyl chloride 와 반응시켜 naphthoquinone-1,2-diazide-5-sulfonyl 기가 도입된 polysiloxane을 합성하였다. 생성 공중합체의 열적특성을 측정한 결과, 열분해온도는 $360{\sim}450^{\circ}C$ 정도였으며 또한 감광특성은 backbone 수지의 분자량이나 증감제의 종류에 따라 영향을 받았다. Sensitivity는 $50{\sim}120mJ/cm^2$였고 contrast(${\gamma}$)는 1.4~2.1였으며 backbone 수지의 분자량이 증가함에 따라 약간 감소하였다.

• Bulletin of the Korean Chemical Society
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• 제35권8호
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• pp.2285-2289
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• 2014

The solvolysis rate constants of 5-dimethylamino-naphthalene-1-sulfonyl chloride ($(CH_3)_2NC_{10}H_6SO_2Cl$, 1) in 31 different solvents are well correlated with the extended Grunwald-Winstein equation, using the $N_T$ solvent nucleophilicity scale and $Y_{Cl}$ solvent ionizing scale with sensitivity values of $0.96{\pm}0.09$ and $0.53{\pm}0.03$ for l and m, respectively; the correlation coefficient value was 0.955. These l and m values can be considered to support an $S_N2$ reaction pathway having a transition state (TS) structure similar to that of the benzenesulfonyl chloride reaction. This interpretation is further supported by the activation parameters, i.e., relatively small positive ${\Delta}H^{\neq}$ (12.0 to $15.9kcal{\cdot}mol^{-1}$) and large negative ${\Delta}S^{\neq}$ (-23.1 to $-36.3cal{\cdot}mol^{-1}{\cdot}K^{-1}$) values, and the solvent kinetic isotope effects (SKIEs, 1.34 to 1.88). Also, the selectivity values (S = 1.2 to 2.9) obtained in binary solvents are consistent with the proposed mechanism.

• Bulletin of the Korean Chemical Society
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• 제33권2호
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• pp.383-386
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• 2012

A convenient synthesis of sulfonamides from thiols and disulfides is described. In situ preparation of sulfonyl chlorides from thiols is accomplished by oxidation with 1,3-dichloro-5,5-dimethylhydantoin (DCH) under Nbenzyl-trimethylammonium chloride and water. The sulfonyl chlorides are then further allowed to react with excess amine in the same reaction vessel.

• 한국응용과학기술학회지
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• 제29권1호
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• pp.116-121
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• 2012

본 연구에서 황색 발색제는 피리딘 존재 하에 ${\alpha}$-pivaloyl-2-chloro-5-amino- acetaniline hydrogen chloride와 1-hexadecane sulfonyl chloride를 반응시켜 얻었다. 이 물질은 다양한 분석장비를 이용하여 녹는점, 원소분석기, 적외선분석기, 자외선분석기, 질량분석기로 확인하였다. 황색 발색제를 CD-3(발색현상주약)와 반응시키면 황색이 나타났다.

• 대한화학회지
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• 제19권3호
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• pp.198-206
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• 1975

갇광성 관능기를 갖는 중합체, 이를테면 polyglyceryl phthalate(PG), bisphenol A-epichl-orohydrin 축중합체(BE) 및 polyvuinyl alcohol(PVA)의 naphthoquinone-1,2-diazide-5-sulfonyl esters(PGND, BEND 및 PVAND)를 합성하였다.빙점강하법으로 측정한 모체수지들의 분자량은 PG의 경우 650${\sim}$1500, BE는 780${\sim}$1320이었다. PG, BE 및 PVA를 naphthoquinone-1,2-diazide-5-sulfonyl chloride로 ester화 시켜 얻은 PGND, BEND 및 PVAND의 원소분석의 계산치와 실측치가 잘 일치하고 있는 점으로 보아 모체수지인 PG, BE 및 PVA의 중합도는 ester화 된 경우에도 변하지 않는다는 것을 알 수 있었다.