of plants (*)

The chemical composition of Amazonian plants (*)

A Catalogue, edited by Setor de Fitoquimica, INPA, Manaus, Amazonas

F A M I L Y SPECIES

MYKISTICACEAE Viroia minutiflora Ducke

V. elongata (Spr. ex B e n t h . ) W a r b .

OCCURRENCE

S a n t a r é m , Pará

Madeira River, Amazonas

T R U N K WOOD :

Sitosterol

1-(2-Hydroxy-4-methoxyphenyl)-3-(3,4-methylenedioxyphenyi)-propane (virolane) [ 1 , 2 ] 1-(1,5-Dihydroxy-4-methoxycycIohex-3-en-2-onel-3-(3,4-metriylenedioxyphenyl)-propane (virolaflo- rina, 1) [ 1 ]

(2R)-2-hydroxy-1-(2-hydroxy-4-methoxyphenyl)-3-(3,4-methylenedioxyphenyl)-propane (virolanol, a) [ 1,2 ]

(2R)-2-Hydroxy-1-(2,4-dihydroxyphenyl)-3-(4-hyd roxy-3-methoxyphenyl)-propane ( v i r o l a n o l , B, 3b] [ 1,2 ]

(2R) -2-Hydroxy-1- (2-hydroxy-4-rnethoxyphenyl) -3 - (4-hydroxy-3-methoxyphenyl) -propane (virola­

nol C, 3c) [ 1,2 ]

(2R,3S)-7,3',4'-rrihydroxyflavan-3-ol ( f i s e t i n i d o l , 2) [ 1 , 2 ]

3a R' = M e R

' — R

= C H

3b R

= R

= H R

= M e 3c R

= R

= M e R

= H

REFERENCES :

1. Anake Kijjoa, A s t r e a M . Giesbrecht, Otto R. Gottlieb and Hugo E. G o t t l i e b (1981) Phy- tochemistry 20 (6) : 1385-1388.

2. Braz F9, R., Leite, M . F . Frota and G o t t l i e b , O . R . (1973) Phytochemistry 12:417-418.

( * ) — Contributions to this cataloque, which will be continued in subsequent issues of this Journal, are invited, and should be submitted to address above.

ACTA A M A Z Ô N I C A 12(3) : 613-614. 1982 — 613

F A M I L Y SPECIES

GUTriFERAE Vismia cayennensis (Jacq.) Pers V- japurensis R e i c h . *

OCCURRENCE ; Manaus, Amazonas Minas Gerais

T R U N K WOOD :

Sitosterol P-Amyrin

Acido betulinico

1,8-Dihydroxy-3-methyl-6-methoxyanthraquinone (physcion) 1a Friedelin

Friedelan-3[3-ol

7-(trans-3-methy!-1-butenyl)-physcion (vismiaquinone) 1b 7-(3-methyl-2-oxobutyl)-physcion (vismiaquinone B) 1c

OH 0 HO

l a R = H

1b R = CH = C H . C H M e

1c R = C H

. C O . C H M e

REFERENCE ;

Maria do Carmo M . M i r a g l i a , A n t o n i o A . L. Mesquita, M . de Jesus C . Varejao, O t t o R.

Gottlieb and Hugo E. Gottlieb (1981) Phytochemistry 20 (8) : 2041-2042.