An azaanthracene alkaloid from Polyalthia suberosa

P Tuchinda, M Pohmakotr, B Munyoo, V Reutrakul… - Phytochemistry, 2000 - Elsevier
An azaanthracene alkaloid, 1-aza-9, 10-dimethoxy-4-methyl-2-oxo-1, 2-dihydroanthracene
(kalasinamide) has been isolated from the stems of Polyalthia suberosa. In addition, the …

2-substituted furans from Polyalthia suberosa

P Tuchinda, M Pohmakotr, V Reutrakul… - Planta …, 2001 - thieme-connect.com
Abstract Two new 2-substituted furans, 1-(2-furyl) pentacosa-16, 18-diyne and 23-(2-furyl)
tricosa-5, 7-diynoic acid, have been isolated from stems of Polyalthia suberosa. The …

9, 10-Dimethoxy-4-methyl-1, 2-dihydro-1-azaanthracen-2-one (kalasinamide), a new azaanthracene alkaloid

P Thinapong, O Rangsiman, P Tuchinda… - … Section C: Crystal …, 2000 - journals.iucr.org
A new azaanthracene alkaloid, namely 9, 10-dimethoxy-4-methyl-1, 2-dihydro-1-
azaanthracen-2-one (kalasinamide), C16H15NO3, has been isolated from the stems of …