如果按照规格使用和储存,则不会分解,未有已知危险反应。应避免与氧化物、水分等接触。
1,4,7,10-四氮杂环十二烷(1 g,5.81 mmol)在0℃和氮气保护下溶于20 ml干乙腈中。搅拌后加入NaHCO₃ (1.464 g,17.44 mmol)。随后,在10 ml乙腈中缓慢滴加叔丁基溴乙酸酯(3.4 g,17.44 mmol),在0℃下搅拌1小时,然后在室温下继续搅拌45小时。反应过程通过二氯甲烷(DCM): 甲醇(9:1,Rf 0.67)薄层色谱法监测。反应完成后,过滤反应混合物并蒸发滤液至干燥,得到粗产物。经硅胶柱层析纯化,使用2%甲醇在DCM中的洗脱液,最终获得化合物1,4,7-三乙酸四氮杂环十二烷-1,4,7-三叔丁酯(DO3A叔丁酯),为白色粉末,收率为83.5%。
生物活性DOTA叔丁基酯是cyclic tosamide苄基衍生物。
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| 1,7-二-(N-叔丁氧羰基甲基)-1,4,7,10-四氮杂环十二烷 | (7-tert-butoxycarbonylmethyl-1,4,7,10-tetraaza-cyclododec-1-yl)-acetic acid tert-butyl ester | 162148-48-3 | C20H40N4O4 | 400.562 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | tri-tert-butyl 2,2',2''-(10-(2-ethoxy-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate | 825625-07-8 | C30H56N4O8 | 600.797 |
| —— | 1-(2-ethylamine)-4,7,10-tris(tert-butoxycarbonylmethyl)-1,4,7,10-tetraazacyclotetradecane | 824984-75-0 | C28H55N5O6 | 557.775 |
| —— | tri-tert-butyl 2,2’,2’’-(10-(2-methoxy-2-oxoethyl)-1,4,7,10-tetraazacy-cyclododecane-1,4,7-triyl)triacetate | 173308-18-4 | C29H54N4O8 | 586.77 |
| 1,4,7,10-四氮杂环十二烷-1,4,7,10-四乙酸三叔丁酯 | 1,4,7-tris(tert-butoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane-10-acetic acid | 137076-54-1 | C28H52N4O8 | 572.743 |
| —— | tri-tert-butyl 2,2’,2’’-(10-(3-aminopropyl)-1,4,7,10-tetraazacyclododecane-1,4,7- triyl)triacetate | 1019331-83-9 | C29H57N5O6 | 571.801 |
| —— | 1,4,7-tris(tert-butoxycarbonylmethyl)-10-(3,6-dioxanonyl)-1,4,7,10-tetraazacyclododecane | 1245403-41-1 | C33H64N4O8 | 644.893 |
| —— | 1-(2-hydroxyethylcarbamoylmethyl)-4,7,10-tris(tert-butyloxycarbonylmethyl)-1,4,7,10-tatraazacyclododecane | 1027359-58-5 | C30H57N5O8 | 615.811 |
| 2-氨基乙基单酰胺-DOTA-TRIS(T-BU酯) | tri-tert-butyl 2,2',2''-(10-(2-((2-aminoethyl)amino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate | 173308-19-5 | C30H58N6O7 | 614.827 |
| —— | 10-(3-amino-2-hydroxypropyl)-1,4,7-tris-(tert-butoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane | 425367-31-3 | C29H57N5O7 | 587.801 |
| —— | 4,7,10-tris(tert-butoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane-1-acetohydrazide | 914915-09-6 | C28H54N6O7 | 586.773 |
| —— | 10'-bis(acetamido)ethane-bis[1,4,7-tri(carbobutoxymethane)]-1,4,7,10-tetraazacyclododecane | 167407-85-4 | C58H108N10O14 | 1169.55 |
| —— | 1,4,7-tris(tert-butoxycarboxymethyl)-10-(2-hydroxybutyl)-1,4,7,10-tetraazacyclododecane | 281188-84-9 | C30H58N4O7 | 586.813 |
| —— | 10-[4-(tert-butoxycarbonyl)-2-oxo-3-azabutyl]-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid tri-tert-butyl ester | 208253-05-8 | C34H63N5O9 | 685.902 |
| —— | tri-tert-butyl 2,2',2''-(10-(2-(2-acrylamidoethylamino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate | 1325232-87-8 | C33H60N6O8 | 668.875 |
| —— | 1-(5-Hydroxy-3-oxapentyl)-1,4,7,10-tetraazacyclododecane-4,7,10-triacetic acid | —— | C18H34N4O8 | 434.49 |
| —— | DOTAMA-C6-OH | 1027359-54-1 | C34H65N5O8 | 671.919 |
| —— | DOTA-tris(t-Bu)ester-PEG3-C2-azide | 1428146-78-4 | C36H68N8O10 | 772.984 |
| —— | 1,4,7-tris(tert-butoxycarbonylmethyl)-10-(N-(2-tert-butoxycarbonylaminoethyl)acetamide)-1,4,7,10-tetraazacyclododecane | 1260151-25-4 | C35H66N6O9 | 714.944 |
| —— | tert-butyl 2,2′,2″-(10-(N-(tert-butoxycarbonyl)-6-aminohexyl)-1,4,7,10-tetraazacyclododeca-1,4,7-triyl)-triacetate | 1206523-74-1 | C37H |