TCJp chi Hoa hoc, T. 45 (2), Tr. 181 - 183,2007 NGHIEN CO'U THANH PHAN HOA He;>C CAY xANG DUNG CAMBOT (ARN/CRATEA CAMBODIANA (PIERRE) N. HALL.) He;> DAy GOI (CELASTRACEAE) Dell Toa SO<.lI' 29-5-2006 vO DINH HoANG' , DAo THI TO UYEN', PHAM GIA DIEN' /Khoa Cong Ilghil Hoa hoc, Trzri!llg D«i hoc Bach Khoa Ha N(ii 'Vii'll H6a hoc, Viilll Khoa hoc va Cong ngh« Viii' Nam SUMMARY Mavtensifolin B, a-aniyrin and clerolsterol were isolated from stem bark of Arnicratea cambodiana (Pierre) N. Hall. for the first lime. Their structures weft' elucidated by means of spectroscopic methods and comparison with reported data. 1- DAT VAN DE Xang dung camb6t tArnicratea cambodiana (Pierre) N. Hall.) thuoc ho Day g6i (Celastraceac) la day leo cao den 20 m, la to. phien thon nguoc, dai den 20 em, bia co rang, gan phu 7 - 8 cap. cu6ng dai 1 - 1.5 cm. Cay phan b6 6 rung Bien I10ii Con San [I]. Xang dung camb6t duoc dung trong cac bai thuoc dan toe M chira mot s6 benh viern duong ho hap nhu viern xoang, viern phoi Tuy nhien thanh phan hoa hoc cua cay ehua ducc d6 cap trang lU lieu. Vi vay cluing toi da chon vo cay Xang dung cambot Iam d6i luang nghien ciru. 11 - THUe NGIlIEM 1. Phuong phap nghien cuu Pho cong huong tit hat nhan L1C_, I H-NMR duoc ghi trcn may Brucker AV ANVE 500 MHz, Vien Hoa hoc, Vien Khoa hoc vii. Cong nghe Viet Nam. Sac ky lop mong phan tich vii. dieu chc duoc thue hien tren ban mong sillicagel trang san cua Mecrk. sac ky cot dung chat hap phu sillicagel Mecrk 60 (0.040 - 0,063 mm). Cac dung moi hiru co tinh khiet phan tich hoac chat luang ky thuat duoc cat lai. 2. Mau thuc val Mau thuc val duoc thu hai lai San La vao thang 3/2004. Ten khoa hoc cua mau diroc nha thuc Val Ngo Vim Trai - Vien Duoc Lieu xac dinh. Mau duoc luu tai Phong Cong nghe hoat chat sinh hoc- Vien Hoa hoc, Vien Khoa hoc vii. Cong nghe Viet Nam. 3. ChiC! tach V6 than A. cambodiana diroc say kho 6 50"C, xay nho vii. chiet bang MeOH-H 2 0 (9: I) 6 nhiet do phong. Cat loai dung moi vii. can chiet diroc phan b6 Ian luot voi cac dung rnoi co di) phan eire tang dan n-hexan, etylaxetat. /1- butanol, loai dung moi thu duoc cac Can tuong ling. Can n-hexan ket tua, Ioc ket tua thu duoc 0,18 g ki hieu Iii. phan A, phan can lai co kh6i luang 5,0 I g kf hieu Iii. phan B. Phan A diroc phan tach theo phirong phap sac ky cot tren chat hap phu Iii. sillicagel (Merck 60), co hat 0,04 - 0,063 mm. Dung moi nra giai dtroc sir dung Iii. h6n hop Il-hexan-ctylaxetat 181 . 45 ( 2), Tr. 181 - 183,2007 NGHIEN CO'U THANH PHAN HOA He;>C CAY xANG DUNG CAMBOT (ARN/CRATEA CAMBODIANA (PIERRE) N. HALL. ) He;> DAy GOI (CELASTRACEAE) Dell. data. 1- DAT VAN DE Xang dung camb6t tArnicratea cambodiana (Pierre) N. Hall. ) thuoc ho Day g6i (Celastraceac) la day leo cao den 20 m, la to. phien thon nguoc,