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Table 1 1 H nmr evidence for the presence of paclitaxel extracted from P. aurantiogriseum NRRL 62431 culture medium

From: Genome sequencing and analysis of the paclitaxel-producing endophytic fungus Penicillium aurantiogriseum NRRL 62431

Carbon

Literature values 20

Fungal extract

C-2

5.62 d J = 7

5.683 d J = 7

C-3

3.80 d J = 7

3.810 d J = 7

C-5

4.92 dd J = 2,8

4.957 dd J = 2,7

C-6

2.50 m

2.551 m

 

1.82 m

1.820 m

C-7

4.33 m

4.317 m

C-10

6.26 s

6.272 s

C-13

6.13 t

6.215 t J = 8

C-14

2.5 m

2.513 m

C-16

1.25 s

1.245 s

C-17

1.14 s

1.146 s

C-18

1.78 s

1.795 s

C-19

1.67 s

1.687 s

C-20

4.17 d J = 8

4.188 d J = 8

 

4.27 d J = 8

4.296 d J = 8

C-20 Bz

7.4 m

7.441 m

 

8.11 dd

8.146 dd J = 2,8

OAC

2.23 s

2.241 s

 

2.38 s

2.390 s

C-2′

4.71 d J = 3

4.791 d J = 3

C-3′

5.72 dd J = 3,9

5.800 dd J = 3,9

C-3′ Ph

7.4 m

7.425 m

C-3′ NH

7.00 d J = 9

6.969 d J = 9

C-3′Bz

7.4 m

7.501 m

 

7.7 dd

7.753 dd

  1. Chemical shifts (δ) expressed in ppm relative to TMS with coupling constants (J) in Hz.
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BMC Genomics

ISSN: 1471-2164

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