Abstract:
본 발명은 [1,2,3]-옥사티아졸리딘-2,2-디옥사이드 또는 [1,2,5]-티아디아졸리딘-1,1-디옥사이드 유도체의 신규한 제조방법을 제공하며, 본 발명의 제조방법에 따라 5H-[1,2,3]-옥사티아졸-2,2-디옥사이드 또는 [1,2,5]-티아디아졸린-1,1-디옥사이드를 로듐 화합물 촉매 및 수소공여체의 존재 하에 비대칭 환원반응시킴으로써 거울상 이성질체적으로 순수한 [1,2,3]-옥사티아졸리딘-2,2-디옥사이드 또는 [1,2,5]-티아디아졸리딘-1,1-디옥사이드 유도체를 간편하고, 효율적으로 제조할 수 있다.
Abstract:
본 발명은 4배위 유기 붕소 화합물의 제조방법에 관한 것으로, 더욱 상세하게는 아릴, 헤테로아릴 또는 비닐-작용기성 보론산, 보록신 또는 보레이트 화합물을 출발물질로서 직접 사용하고 이를 임의의 2자리 N,O-리간드, O,O-리간드 또는 N,N-리간드에 부가하여 다양하고 광범위한 4배위 유기 붕소 화합물을 제조하는 방법에 관한 것이다.
Abstract:
본 발명은 바이오매스로부터 글루코오즈의 제조방법에 관한 것으로, 다음의 단계를 포함하는 바이오매스로부터 글루코오즈의 제조방법을 제공한다: (a) 셀룰로오즈, 헤미셀룰로오즈 및 리그닌을 포함하는 바이오매스에 상온이온성액체를 처리하여 셀룰로오즈를 용해시키는 단계; (b) 상기 상온이온성액체를 제거하여 상기 셀룰로오즈를 재결정화 하는 단계; 및 (c) 상기 재결정화된 셀룰로오즈에 셀룰라아제를 처리하여 글루코오즈를 수득하는 단계. 본 발명은 기존의 복잡한 전처리과정에서 발생할 수 있는 과분해 산물 및 불순물의 영향을 배제함은 물론 공정의 단순화, 상온이온성액체의 재활용으로 경비절감 및 환경오염 배제, 상온에서 이루어지기 때문에 전처리공정으로 소비되는 에너지의 절약, 당화활성의 증대효과를 동시에 얻을 수 있다.
Abstract:
The present invention provides a xylosidase having an amino acid sequence disclosed in the second sequence of a sequence list. More particularly, the xylosidase of the present invention has a multi-enzyme function. By replacing existing chemical methods, the present invention can reduce waste and expensive refinement costs, and display an excellent xylan decomposition activity so as to be capable of being utilized in feed industries, and paper-making and detergent industries as well as saccharification processes of fibrous biomass, and thereby, being effectively used in manufacturing oil-replacing raw materials, specialized-functioning materials, bio-polymer and the like.
Abstract:
PURPOSE: A reboxetin diastereoisomer derivative which is prepared by a novel method is provided to be used as a pharmaceutical composition for preventing or treating depression, attention deficit, and ADHD. CONSTITUTION: A method for preparing a reboxetin diastereoisomer derivative of chemical formula 1, according to reaction formula 1, comprises the steps of: reducing a compound of chemical formula 2 to prepare a compound of chemical formula 3; reacting the compound of chemical formula 3 with chloroacetyl chloride (C_2H_2Cl_2O) to prepare a compound of chemical formula 4; cyclizing the compound of chemical formula 4 to prepare a compound of chemical formula 5; and reducing the compound of chemical formula 5 to obtain a final product. [Reference numerals] (AA) Step 1; (BB) Step 2; (CC) Step 3; (DD) Step 4
Abstract:
PURPOSE: A composition containing 3-(4-methoxybenzylaminomethylene)-1,3-dihydroindole-2-one(5-108) is provided to suppress Toxoplasma gondii proliferation and to prevent and treat diseases caused by Toxoplasma gondii and coccidium. CONSTITUTION: A pharmaceutical composition for preventing and treating diseases caused by Toxoplasma gondii and coccidium contains 3-(4-methoxybenzyl amino methylene)-1,3-dihydroindole-2-one of chemical formula A and salt thereof. A veterinary composition for preventing or treating diseases caused by coccidium contains 3-(4-methoxybenzylaminomethylene)-1,3-dihydroindole-2-one(5-108) compound or pharmaceutically acceptable salt thereof as an active ingredient.
Abstract:
A 3,10-dihydro-1H-[1,4]diazepino[5,6-b]indole-2-one derivative, a method for preparing the derivative, and an anticancer medicine containing the derivative are provided to improve the activity for the cancer derived from the overexpression of CDC25B. A 3,10-dihydro-1H-[1,4]diazepino[5,6-b]indole-2-one derivative is represented by the formula 1, wherein R is H, a halogen atom, a C1-C4 alkyl group, a ORa or -OSO2Rb; Ra is a C1-C4 alkyl group, a benzyl group substituted or unsubstituted with a halogen atom, an unsubstituted phenyl group, or a trityl group; Rb is a C1-C4 alkyl group, a C1-C4 haloalkyl group, or an unsubstituted phenyl group; R1 is H, a C1-C4 alkyl group, -CH2CO2Rb, or a benzyl group substituted or unsubstituted with a halogen atom; Rb is a C1-C4 alkyl group; R2 and R3 are independently H, a C1-C6 alkyl group, -CH2ORa, -(CH2)nCO2Rb, -(CH2)nCONH2, a phenyl group, a benzyl group substituted or unsubstituted with a protection group, or a pyridyl group; Ra and Rb is H or a C1-C4 alkyl group; and n is an integer of 1-5.