Abstract:
PURPOSE: A producing method of a binaphthol aldehyde derivative is provided to increase the selectivity for a hydrogen position of a 2,2'-binaphthol-3-aldehyde 2` hydroxy group, and to produce the binaphthol aldehyde derivative without generating by-products. CONSTITUTION: A producing method of a binaphthol aldehyde derivative marked as chemical formula 1 comprises the following steps: reducing a compound marked as chemical formula 3 to obtain a compound marked as chemical formula 2; and oxidizing the compound marked as the chemical formula 2. In the chemical formula 1~3, X is selected from the group consisting of hydrogen, halogen, amino, nitro, cyano, formyl, carboxyl, substituted or non-substituted alkyl of C1~C10, alkylcarbonyl of C1~C10, aryl of C6~C10, and alkoxy of C1~C10. N and M are integers of 0~5.
Abstract:
본 발명은 하기 화학식 1의 화합물 및 그의 제조방법에 관한 것이다. [화학식 1]
상기 화학식 1의 화합물은 2,2'-바이나프톨-3-알데히드의 2' 히드록시기의 수소 위치에 다양한 치환기를 매우 효율적으로 도입하는 것을 가능하게 한다. 또한, 본 발명의 제조방법은 상기 화학식 1의 화합물을 매우 안전한 방법으로 저렴하게 제조하는 방법을 제공한다. 키랄 합성, 아미노산, 아미노 알코올, 바이나프톨
Abstract:
본 발명은 하기 화학식 3의 화합물을 환원시켜서 하기 화학식 2의 화합물을 얻는 단계 및 상기 단계에서 얻은 화학식 2의 화합물을 산화시키는 단계를 포함하는 하기 화학식 1의 화합물의 제조방법 및 상기 방법을 포함하는 바이나프톨 알데히드 유도체의 제조방법에 관한 것이다. [반응식 1]
Abstract:
PURPOSE: An obtaining method of optically pure amino acid is provided to remarkably reduce the optics conversion time, and to economically mass produce the amino acid with a simple manufacturing process. CONSTITUTION: An obtaining method of optically pure amino acid comprises the following steps: mixing a basic solution including amino acid for the optical separation or the optical conversion, and an organic solution including a chiral selective acceptor forming imine by selectively chiral-reacting with D-type or L-type amino acid, and separating a basic solution layer, and an organic solution layer; mixing the organic solution with an aqueous acidic solution, and separating an aqueous acidic solution layer and the organic solution layer; and obtaining the D-type or L-type amino acid form the aqueous acidic solution.
Abstract:
PURPOSE: A binaphthol aldehyde derivative and a producing method thereof are provided to safely produce the binaphthol aldehyde derivative without using dangerous materials including n-butyl lithium. CONSTITUTION: A binaphthol aldehyde derivative is marked as chemical formula 1. In the chemical formula 1, X refers to an alkyl group of C1~C10 substituted with more than one substituent selected from the group consisting of hydrogen, halogen, amino, nitro, cyano, formyl, carboxyl, halogen, hydroxyl, and aryl of C6~C10, alkylcarbonyl of C1~C10, and alkoxy of C1~C10, respectively. N and M are integers of 0~5. R1 is selected from the group consisting of the alkyl of C1~C5, arylalkyl of C6~C10 and alkoxy alkyl of C2~C10.
Abstract:
본 발명은 광학적 분할 및 전환을 포함하여 광학적으로 순수한 아미노산을 얻는 방법에 관한 것이다. 본 발명의 방법은 광학변환 시간이 획기적으로 단축되고, 키랄 선택적 수용체를 포함하는 유기용액을 반복적으로 사용하는 것이 가능하므로, 광학적으로 순수한 아미노산을 간단한 방법에 의해 매우 효율적으로 얻을 수 있으며, 매우 경제적으로 대량 생산할 수 있다.
Abstract:
An alanine racemase chiral binaphthol analogue is provided to perform the optical resolution of the amino acid of D-form and L-form or aminoalcohol effectively by carrying out powerful hydrogen bond with -OH or -CO2- and having the positive charge. A binaphthol analogue is selected from a group consisting of the compound 8, 9, 12, 17 of 22. The racemic aminoalcohol of the following chemical formula VII or a racemic amino acid of the following chemical formula VIII is divided optically by using the binaphthol analogue. In the chemical formula VII, R9 - R12 are univalent organic group containing hydrogen. In the chemical formula VIII, R13 -R15 are univalent organic group containing hydrogen.