Synthesis of new C3 symmetric amino acid- and aminoalcohol-containing chiral stationary phases and application to HPLC enantioseparations
作者:Jeongjae Yu、Daniel W. Armstrong、Jae Jeong Ryoo
DOI:10.1002/chir.22766
日期:2018.1
We recently reported a new C3‐symmetric (R)‐phenylglycinol N‐1,3,5‐benzenetricarboxylic acid‐derived chiral high‐performance liquid chromatography (HPLC) stationary phase (CSP 1) that demonstrated better results as compared to a previously described N‐3,5‐dintrobenzoyl (DNB) (R)‐phenylglycinol‐derived CSP. Over a decade ago, (S)‐leucinol, (R)‐phenylglycine, and (S)‐leucine derivatives were used as
我们最近报道了一种新的C3对称(R)-苯基甘氨醇N -1,3,5-苯三甲酸衍生的手性高效液相色谱(HPLC)固定相(CSP 1),与先前描述的结果相比具有更好的结果N -3,5-二硝基苯甲酰(DNB)(R)-苯基甘氨醇衍生的CSP。十多年前,(S)-亮氨酸,(R)-苯甘氨酸和(S)-亮氨酸衍生物被用作基于3,5-DNB的Pirkle型CSP的手性分离原料。在这项研究中,通过结合上述想法和结果,准备了三个新的C3对称CSP(CSP 2、3和4)。在这里,我们描述了新的C3对称CSP(CSP 2–CSP 4)的合成程序和应用。
Synthesis and application of
<i>N</i>
‐3,5‐dinitrobenzoyl and C
<sub>3</sub>
symmetric diastereomeric chiral stationary phases
作者:Jeong Jae Yu、Jae Jeong Ryoo
DOI:10.1002/chir.23415
日期:2022.4
Three diastereomeric chiral compounds, namely, (R,R)-(+)-2-amino-1,2-diphenylethanol, (1S,2R)-(+)-2-amino-1,2-diphenylethanol, and (1R,2R)-(+)-1,2-diphenylethylenediamine were used as starting materials for preparing three N-3,5-dinitrobenzoyl derivative chiral stationary phases (CSPs) (CSP 1, 2, and 3) and three C3 symmetric CSPs (CSP 4, 5, and 6). The six newly prepared CSPs were applied to the chiral
三种非对映体手性化合物,即(R,R)-(+)-2-氨基-1,2-二苯乙醇、(1S,2R)-(+)-2-氨基-1,2-二苯乙醇和(1R) ,2R)-(+)-1,2-二苯基乙二胺作为起始原料制备三种N -3,5-二硝基苯甲酰基衍生物手性固定相 (CSPs) (CSP 1, 2, and 3) 和三种 C 3对称 CSPs (CSP 4、5 和 6)。将六种新制备的 CSP 应用于 HPLC 对 44 个手性样品的手性分离。大多数样品在 CSP 6 上分离,在六个新制备的 CSP 中平均分离因子最高。
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF (1S, 4S, 7Z, 10S, 16E, 21R)- 7-ETHYLIDENE-4,21-BIS(1-METHYLETHYL)-2-OXA-12,13-DITHIA-5, 8, 20, 23- TETRAAZABICYCLO[8.7.6]TRICOS-16-ENE-3, 6, 9, 19, 22-PENTONE<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE (1S, 4S, 7Z, 10S, 16E, 21R)- 7-ÉTHYLIDÈNE-4,21-BIS(1-MÉTHYLÉTHYL)-2-OXA-12,13-DITHIA-5, 8, 20, 23- TÉTRAAZABICYCLO[8.7.6]TRICOS-16-ÈNE-3, 6, 9, 19, 22-PENTONE
申请人:MSN LABORATORIES PRIVATE LTD
公开号:WO2017068596A1
公开(公告)日:2017-04-27
The present invention is relates to an improved process for the preparation (1S,4S,7Z,10S,16E,21R)-7-ethylidene-4,21-bis(1-methylethyl)-2-oxa-12,13-dithia-5,8,20,23-tetraazabi-cyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentone of formula I.
本发明涉及一种改进的制备过程,用于制备式I的(1S,4S,7Z,10S,16E,21R)-7-乙烯基-4,21-双(1-甲基乙基)-2-氧-12,13-二硫-5,8,20,23-四氮杂环[8.7.6]三十一烯-16-烯-3,6,9,19,22-五酮。