摘要:
The invention pertains to a compound for detecting cell death. According to the invention, the compound comprises a cyclic polyamine unit for the complexation of a bi- or trivalent metal ion. The compound of the invention may contain a reporting tag like fluorescein or a radioisotope including substituent.
摘要:
What is described are compounds wherein R represents Br, I or R1—SO3, where R1 is an unsubstituted or substituted C1-C5-alkyl group, or an unsubstituted or substituted phenyl group; X is O or NR″, where R″ is a usual protective group for N; and R′ represents hydrogen, a halogen, such as F, Cl, and Br, a substituted or unsubstituted C1-C7-alkyl group, such as methyl and ethyl, a substituted or unsubstituted C2-C7-alkenyl group, or a substituted or unsubstituted C2-C7-alkynyl group.
摘要:
The present invention relates to a polyamine-substituted ligand for the preparation of a contrast agent derived from a chelating molecule selected from the group consisting of 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) and diethylentriamine-pentaacetic acid (DTPA), wherein at least one of the carboxylic groups of the chelating molecule is reacted with an amine of formula HNR1R2 to form an amide bond, wherein R1, R2 are independently selected from the group consisting of H; (CH2)n—NR3R4; and R5; R3, R4 are independently selected from the group consisting of H; (CH2)m—NR6R7; and (CH2)m-1—CH3; R6, R7 are independently selected from the group consisting of H; and (CH2)o-1—CH3; n, m, o are independently 2, 3, or 4; R5 is of formula and optionally at least one of the carboxylic groups of the chelating molecule is further reacted with a monoalkylamine having 1 to 18 carbon atoms to form an amide bond; provided that at least one of R1, R2 is other than H. Furthermore, the invention relates to contrast agents for magnetic resonance imaging (MRI) comprising said ligands and in-vivo diagnostic methods based on MRI using said contrast agents.
摘要翻译:本发明涉及用于制备衍生自螯合分子的造影剂的多胺取代配体,所述螯合分子选自1,4,7,10-四氮杂环十二烷-1,4,7,10-四乙酸(DOTA )和二乙基三胺五乙酸(DTPA),其中螯合分子的至少一个羧基与式HNR 1 R 2的胺反应形成 酰胺键,其中R 1,R 2,R 2独立地选自H; (CH 2)n - NR 3 - 3 - - - - - - - 和R 5; R 3,R 4,R 4独立地选自H; (CH 2 CH 2)m -NR 6 R 6 R 7 R 7, 和(CH 2 CH 2)m-1 -CH 3 3; R 6,R 7,R 7独立地选自H; 和(CH 2)2 -O-1 -CH 3; n,m,o分别为2,3或4; R 5是下式,并且任选地,螯合分子的至少一个羧酸基团与具有1至18个碳原子的单烷基胺进一步反应以形成酰胺键; 条件是R 1,R 2和R 2中的至少一个不是H.此外,本发明涉及用于包含所述配体的磁共振成像(MRI)的造影剂,并且在 - 使用所述造影剂的基于MRI的体内诊断方法。
摘要:
This invention relates to novel compounds F-18 radio-labeled amino-alcohols suitable for labeling or already labeled by 18F methods of preparing such a compound, compositions comprising such compounds, kits comprising such compounds or compositions and uses of such compounds, compositions or kits for diagnostic imaging by positron emission tomography (PET).
摘要:
What is described are compounds wherein R represents Br, I or R1—SO3, where R1 is an unsubstituted or substituted C1–C5-alkyl group, or an unsubstituted or substituted phenyl group; X is O or NR″, where R″ is a usual protective group for N; and R′ represents hydrogen, a halogen, such as F, Cl, and Br, a substituted or unsubstituted C1–C7-alkyl group, such as methyl and ethyl, a substituted or unsubstituted C2–C7-alkenyl group, or a substituted or unsubstituted C2–C7-alkynyl group.
摘要:
A method for fabricating an integrated semiconductor circuit having at least two different wiring forms realized in a same metallization plane includes drawing each of the different wiring forms on respectively different layer types. In this manner, the at least two different wiring forms can be individually and jointly analyzed.
摘要:
The application relates to compounds that are suitable as labelable precursors for synthesis of 3′-[18F]fluoro-3′-deoxythymidine and that have formula (1), in which R denotes triphenylmethyl, triphenylmethyl substituted in the phenyl group, trialkylmethyl, triphenylsilyl, triphenylsilyl substituted in the phenyl group, or trialkylsilyl, R′ denotes R1—SO2, where R1 is an unsubstituted or substituted C1 to C5 alkyl or an unsubstituted or substituted phenyl, and R″ denotes C2 to C10 alkyloxycarbonyl, with the exception of 3-N-Boc-1-(3-O-nosyl-5-O-trityl-2-deoxy-β-D-lyxofuranosy The application also relates to a method for preparation of these compounds and to the use of the same for synthesis of 3′-[18F]fluoro-3′-deoxythymidine.