申请人:Gouveneur Veronique
公开号:US20130190529A1
公开(公告)日:2013-07-25
The invention relates to a process for producing a process for producing an
18
F-labelled compound, the process comprising treating a compound of formula (I)
wherein EDG is an electron-donating group selected from —OH, —OR
4
, —NHR
5
and —NR
55
R
5
; R
1
, R
2
, X
1
and X
2
are as defined herein; and R
3
is selected from H, X
3
and X
4
, wherein X
3
is a monodentate cleavable surrogate group, and X
4
is a bidentate cleavable surrogate group which is bonded (a) to said X
1
or X
2
and (b) to the ring carbon atom para to EDG;
with [
18
F]fluoride in the presence of an oxidant, thereby producing, when R
3
in the compound of formula (I) is H, an
18
F-labelled compound of formula (II), wherein EDG is as defined above and R
1
, R
2
, X
1
and X
2
are as defined herein; or thereby producing, when R
3
in the compound of formula (I) is said monodentate cleavable surrogate group X
3
, a compound of formula (IIa), wherein EDG′ is O, NR
5
, —NR
55
R
5
or [OR
4
]
+
, and wherein R
4
, R
5
, R
55
, R
1
, R
2
, X
1
, X
2
and X
3
are as defined herein; or thereby producing, when R
3
in the compound of formula (I) is said bidentate cleavable surrogate group X
4
, a compound of formula (IIc) or a compound of formula (IId), wherein EDG′ is O, NR
5
, —NR
55
R
5
or [OR
4
]
+
, and wherein R
4
, R
5
, R
55
, R
1
, R
2
, X
1
, X
2
and X
4
are as defined herein
该发明涉及一种用于制备18F标记化合物的过程,该过程包括处理以下结构的化合物(I):其中EDG是从—OH、—OR4、—NHR5和—NR55R5中选择的电子给体基团;R1、R2、X1和X2如本文所定义;以及R3从H、X3和X4中选择,其中X3是一种可单齿解离替代基团,而X4是一种双齿可解离替代基团,它与EDG对位的环碳原子上键合(a)到所述的X1或X2,(b)到EDG的对位环碳原子;在氧化剂存在下用[18F]氟化物处理,从而产生当化合物(I)中的R3为H时,化合物(II)的18F标记化合物,其中EDG如上所定义,而R1、R2、X1和X2如本文所定义;或者从而产生当化合物(I)中的R3为所述的可单齿解离替代基团X3时,化合物(IIa),其中EDG'为O、NR5、—NR55R5或[OR4]+,而R4、R5、R55、R1、R2、X1、X2和X3如本文所定义;或者从而产生当化合物(I)中的R3为所述的双齿可解离替代基团X4时,化合物(IIc)或化合物(IId),其中EDG'为O、NR5、—NR55R5或[OR4]+,而R4、R5、R55、R1、R2、X1、X2和X4如本文所定义。