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Narcissus and Daffodil

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Table 6.1b Continued<br />

Alkaloid name Structure<br />

R1 R2 R3 R4 R5 R6 23 homolycorine Me Me O H Me<br />

24 8-O-demethylhomolycorine Me H O H Me<br />

25 8-O-demethyl-8-O-acetylhomolycorine Me Ac O H Me<br />

26 9-O-demethylhomolycorine H Me O H Me<br />

27<br />

28<br />

29<br />

masonine<br />

normasonine<br />

9-O-demethyl-2α-hydroxyhomolycorine H<br />

CH2 CH2 Me<br />

O<br />

O<br />

O<br />

H<br />

H<br />

OH<br />

Me<br />

H<br />

Me<br />

30<br />

31<br />

hippeastrine<br />

lycorenine Me<br />

CH2 Me<br />

O<br />

OH H<br />

OH<br />

H<br />

Me<br />

Me<br />

32 O-methyllycorenine Me Me OMe H H Me<br />

33<br />

34<br />

35<br />

oduline<br />

6-O-methyloduline<br />

2α-hydroxy-6-O-methyloduline<br />

CH2 CH2 CH2 OH<br />

OMe<br />

OMe<br />

H<br />

H<br />

H<br />

H<br />

H<br />

OH<br />

Me<br />

Me<br />

Me<br />

Me-CHOH-CH2-COO<br />

MeO<br />

HO<br />

MeO<br />

O<br />

N +<br />

O<br />

O<br />

MeN<br />

H<br />

36 dubiusine<br />

H<br />

O<br />

H<br />

O<br />

OAc<br />

MeN<br />

Me<br />

H H<br />

H<br />

O<br />

H<br />

37 8-O-demethylhomolycorine-N-oxide 38 poetinatine<br />

O<br />

H<br />

O<br />

H<br />

O<br />

H<br />

OCOEt

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