常规情况下不会分解,也没有危险反应。
Fmoc-L-亮氨酸是N-fmoc保护的L-亮氨酸形式,为白色至灰白色的结晶粉末状物质。其密度为1.207 g/cm³,沸点在559.8°C (760 mmHg) 下测定,熔点则在152-156°C(分解)。
应用Fmoc-L-亮氨酸又称为Nα-9-芴甲氧羰基-L-亮氨酸,是一种氨基酸衍生物。它可以通过L-亮氨酸与9-芴甲氧羰基氯反应制备得到。有文献报道指出,该化合物可用于制备9-芴甲氧羰基氯。
制备具体制备方法如下:将1.05克(0.008摩尔)的L-亮氨酸固体溶解于10%碳酸钠溶液中,并在20~30℃下搅拌,直至完全溶解。随后,在此温度范围内,缓慢滴加2~205毫升甲苯中的9-芴甲氧羰基氯(2.10克,0.008摩尔)溶液,持续时间为30~60分钟。滴加完成后,在相同条件下继续搅拌1~8小时,然后加入30~200毫升水进行稀释,并使用乙酸正丁酯(80毫升)萃取除去过量的9-芴甲氧羰基氯。
所得水相需用浓盐酸酸化至pH值为0.5~3.5,再利用乙酸正丁酯(80毫升)进行萃取。最后,从油相中用水洗涤以去除残留的盐酸,并通过浓缩除去乙酸正丁酯溶剂,从而析出白色结晶产物Nα-9-芴甲氧羰基-L-亮氨酸2.46克,得率为87.0%,熔点为151~152℃。
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| 亮氨酸,N-[(9H-芴-9-基甲氧基)羰基]- | 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-4-methyl-pentanoic acid | 126727-03-5 | C21H23NO4 | 353.418 |
| —— | Fmoc-Leu-OMe | 139551-80-7 | C22H25NO4 | 367.445 |
| —— | N-Fmoc-leucine benzyl ester | —— | C28H29NO4 | 443.543 |
| 9H-芴-9-基甲基[(2S)-1-氯-4-甲基-1-氧代-2-戊烷基]氨基甲酸酯 | N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-leucine, acid chloride | 103321-59-1 | C21H22ClNO3 | 371.864 |
| —— | (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-methyl-2-oxohexanoic acid | —— | C22H23NO5 | 381.428 |
| Fmoc-nleu-oh [Fmoc-n-(异丁基)-甘氨酸] | N-[(9H-fluoren-9-yl)methoxycarbonyl]-N-(isobutyl)glycine | 141743-14-8 | C21H23NO4 | 353.418 |
| (9H-芴-9-基)甲基 2,5-二氧代吡咯烷-1-羧酸 | 9-fluorenylmethyl N-succinimidyl carbonate | 102774-86-7 | C19H15NO4 | 321.332 |
| 氯甲酸-9-芴基甲酯 | (fluorenylmethoxy)carbonyl chloride | 28920-43-6 | C15H11ClO2 | 258.704 |
| N-[芴甲氧羰基]-D-缬氨酸五氟苯基酯 | Fmoc-D-Val-OPfp | 125043-10-9 | C26H20F5NO4 | 505.441 |
| 9-芴甲基-N-琥珀酰亚胺基碳酸酯 | N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide | 82911-69-1 | C19H15NO5 | 337.332 |
| 9-芴甲基五氟苯基碳酸酯 | 9-fluorenylmethyl pentafluorophenyl carbonate | 88744-04-1 | C21H11F5O3 | 406.309 |
| —— | Carbonic acid 1,3-dioxo-1,3-dihydro-isoindol-2-yl ester 9H-fluoren-9-ylmethyl ester | 88752-28-7 | C23H15NO5 | 385.376 |
| —— | 1-[(9-fluorenylmethyloxycarbonyl)]benzotriazole | 1131148-55-4 | C21H15N3O2 | 341.369 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | Fmoc-Leu-OMe | 139551-80-7 | C22H25NO4 | 367.445 |
| —— | ethyl (S)-N-α-(fluorenylmethyloxycarbonyl)-leucinate | —— | C23H27NO4 | 381.472 |
| —— | N-(fluorenylmethyloxycarbonyl)-L-leucinal | 146803-42-1 | C21H23NO3 | 337.419 |
| —— | (R)-N-Fmoc-leucinal | —— | C21H23NO3 | 337.419 |
| N-[(1S)-1-(羟基甲基)-3-甲基丁基]-氨基甲酸 9H-芴-9-基甲基酯 | (S)-(9H-fluoren-9-yl)methyl (1-hydroxy-4-methylpentan-2-yl)carbamate | 139551-83-0 | C21H25NO3 | 339.434 |
| Fmoc-N-甲基-L-亮氨酸 | N-(9-fluorenylmethoxycarbonyl)-N-methyl-L-leucine | 103478-62-2 | C22H25NO4 | 367.445 |
| Fmoc-N-甲基-D-亮氨酸 | N-Fmoc-N-methyl-D-leucine | 103478-63-3 | C22H25NO4 | 367.445 |
| —— | (Fmoc-Leu)2O | 70626-37-8 | C42H44N2O7 | 688.821 |
| —— | Fmoc-Leu-F | 130858-94-5 | C21H22FNO3 | 355.409 |
| —— | Fmoc-Leu-SH | 1359870-26-0 | C21H23NO3S | 369.485 |
| —— | Fmoc-Leu-NH2 | 139551-97-6 | C21H24N2O3 | 352.433 |
| —— | N-Fmoc-leucine benzyl ester | —— | C28H29NO4 | 443.543 |
| 9H-芴-9-基甲基[(2S)-1-氯-4-甲基-1-氧代-2-戊烷基]氨基甲酸酯 | N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-leucine, acid chloride | 103321-59-1 | C21H22ClNO3 | 371.864 |
| —— | (S)-(9H-fluoren-9-yl)methyl 1-(2-bromoacetyl)-3-methylbutylcarbamate | 190660-75-4 | C22H24BrNO3 | 430.341 |
| —— | (4S)-4-(9-fluorenylmethoxycarbonyl)amino-6-methylhept-1-en-3-one | 652135-28-9 | C23H25NO3 | 363.456 |
| —— | (Fmoc)-Gly-L-Leu-OH | 161452-54-6 | C23H26N2O5 | 410.47 |
| 芴甲氧羰基-L-β-高亮氨酸 | (S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-5-methylhexanoic acid | 193887-44-4 | C22H25NO4 | 367.445 |
| —— | Fmoc-Leu-CN | 954147-49-0 | C21H22N2O2 | 334.418 |
| —— | Methanesulfonic acid (S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methyl-pentyl ester | 311330-35-5 | C22H27NO5S | 417.526 |
| —— | (S)-(9H-fluoren-9-yl)methyl(1-(hydroxyamino)-4-methyl-1-oxopentan-2-yl)carbamate | —— | C21H24N2O4 | 368.433 |