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Table 2 Synthesis of 6-[18F]FDOPA starting from different precursors using different catalysts

From: Advances in the automated synthesis of 6-[18F]Fluoro-L-DOPA

Entry

Precursor

Catalyst

Time (min)

RCY (%)

Am (GBq/μmol)

ee (%)

Ref.

1

21

110

10–15

74–185

95

(Guillouet et al., 2001)

2

21

80–85

7–15*

n.d.

90

(Zhang et al., 2002)

3

21

100

25–30*

n.d.

> 95

(Lemaire et al., 2004)

4

22 and (s)-NOBIN

110–120

16 ± 5

n.d.

96

(Krasikova et al., 2004)

5

21

120

20 ± 4

>  50

≥ 95

(Shen et al., 2009)

6

23/24

63

33–39a

> 750

> 97

(Libert et al., 2013)

  1. Unless otherwise stated, RCYs are given non-decay corrected (ndc). adecay corrected (dc); n.d.: not determined