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J. Braz. Chem. Soc., Vol. 21, No. 10, 2017, 2010. Printed in Brazil - ©2010 Sociedade Brasileira de Química 0103 - 5053 $6.00+0.00

*e-mail: maique@ccs.ufsc.br

# Present address: Laboratório de Farmacognosia, Departamento de

Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Catarina, Trindade, 88040-900 Florianopolis-SC, Brazil

Vol. 20, No. 7, 1327-1333, 2009.

A New Polyacetylene from Vernonia scorpioides (Lam.) Pers. (Asteraceae)

and its in vitro Antitumoral Activity

Humberto Buskuhl,a Rilton A. Freitas,a Franco Delle Monache,b Andersson Barison,c

Francinete R. Campos,c Yuri E. Corilo,d Marcos N. Eberlind and Maique W. Biavatti*,a,#

aCentro de Ciências da Saúde, Universidade do Vale do Itajaí, 88302-202 Itajaí-SC, Brazil

bDipartimento di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università “La

Sapienza”, Roma, Italy

cDepartamento de Química, Centro Politécnico, Universidade Federal do Paraná, 81530-900

Curitiba-PR, Brazil

dInstituto de Química, Universidade Estadual de Campinas, 13083-970 Campinas-SP, Brazil

Page 1331, column 2, line 9, the optical rotation has been included:

5-Octa-2,4,6-triynyl-furan-2(5H)-one (1) Colorless crystals (CHCl3), mp 98-100 °C; [α]

D

24 = +138.3 (c = 0.3, dichloromethane); UV (MeOH) λ

max/nm: (log ∈) 207

(5.58); IR (KBr) ν

max/cm

-1: 3081, 2515, 2438, 1786, 1289, 791, 679, 631, 551, 329; 1H and 13C NMR data shown in Table 1;

ESI-MS m/z 183.0 [M – H] −; ESI-MS/MS (daughter ions, 25%) m/z 139 [M – H – CO 2]

− (100), 87 (3); HR-TOF-MS

(ESI positive) m/z 185.0597 [M + H]+ (calc. for C

12H8O2 + H

Referências

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