BISPHOSPHONIC ACID DERIVATIVE AND COMPOUND THEREOF LABELED WITH RADIOACTIVE METAL NUCLIDE
申请人:Dozono Hiroyuki
公开号:US20120148492A1
公开(公告)日:2012-06-14
Disclosed is a radioactive bone diagnostic agent which gives a high ratio of radioactivity accumulation in bone to that in blood from an early stage after administration of the agent and allows capturing an image in a short time after administration. Also disclosed is a bisphosphonic acid derivative represented by the following chemical formula (II) or a salt thereof, wherein X represents —(CH
2
)
m
CO—, Y represents —(CH
2
)
n
—, R represents H, OH, or a halogen atom, m and n are independent of each other and m represents an integer of 1 to 3, and n represents an integer of 0 to 4.
揭示了一种放射性骨诊断剂,该剂在给药后的早期阶段使骨骼中的放射性积聚与血液中的放射性积聚比值高,并且允许在给药后短时间内捕获图像。还揭示了以下化学式(II)所代表的双膦酸衍生物或其盐,其中X代表—(CH2)mCO—,Y代表—(CH2)n—,R代表H、OH或卤素原子,m和n彼此独立,m代表1到3的整数,n代表0到4的整数。