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Table 1 Difference between the silylation derivatives

From: Separation of ursodeoxycholic acid by silylation crystallization

Groups

UDCA (g)

CDCA (g)

7K-LCA (g)

Crystallization

1

1.0

0

0

Yes

2

0

1.0

0

No

3

0

0

1.0

No

4

0.8

0.2

0

Yes

5

0.6

0.4

0

Yes

6

0.4

0.6

0

Yes

7

0.2

0.8

0

Yes

8

0.8

0

0.2

Yes

9

0.6

0

0.4

Yes

10

0.4

0

0.6

Yes

11

0.2

0

0.8

Yes

12

0

0.5

0.5

No

  1. Temperature 30°C, 1 g electroreduction product, 10 ml DMF, and 1 g HMDS.