Phân lập và xác định cấu trúc hợp chất steroid từ lá thân cây gai (boehmeria nivea (l) gaud ) họ gai urticaceae

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DANH MӨC CÁC KÝ HIӊU, CHӲ VIӂT TҲT

DANH MӨC CÁC HÌNH

Hình 1.1 Boehmeria diffusa Wedd ± 1JӑQFk\PDQJKRD 4

Hình 1.2 Boehmeria macrophylla Hornem ± 1JӑQFk\PDQJKRD 5

Hình 1.3 B nivea (L.) Gaud ± 1JӑQFjQKPDQJKRD+RDFiL+RD ÿӵF4Xҧ 7

Hình 1.4 B penduliflora Wedd ± 1JӑQFjQKPDQJKRD 8

Hình 1.5 B tonkinensis Gagnep.±1 Cành mang hoa; 2 Xim co cái; 3 Hoa ÿӵFQKuQӣWUrQ%ҫXKRD/iÿjLYjEDRSKҩQ 9

Hình 1.6 Cây Gai 10

+uQK0LQKKӑDVҳFNêOӟSPӓQJ 17

+uQK0LQKKӑDVҳFNêFӝW 18

+uQK0LQKKӑDSKә1H-NMR 21

+uQK0LQKKӑDSKә13C-NMR 22

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+uQK4XiWUuQKQJkPFKLӃWFk\*DLÿLӅXFKӃFһQFKLӃWQ-hexane 24

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Hình 3.97/&VRViQK%1&YӟLKӛQKӧSE-Sitosterol+Stigmasterol 33

Hình 3.103Kә1H-105FӫDKӧSFKҩW%1& 34

Hình 3.113Kә1H-105JLmQUӝQJ (1) FӫDBNC4 35

Hình 3.133Kә1H-105JLmQUӝQJ (2) FӫDBNC4 36

DANH MӨC CÁC BҦNG

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MӢ ĈҪU

1 Lí do lӵa chӑQÿӅ tài

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Tên chi Boehmeria ÿѭӧFÿһWWKHRWrQQKjWKӵFYұWKӑFQJѭӡLĈӭF Georg

Rudolf Boehmer Theo FXӕQ ³7ӯ ÿLӇQ WKӵF YұW WK{QJ GөQJ´ FӫD WiF JLҧ 9}

9ăQ&KLFKLBoehmeria FyNKRҧQJORjLӣQKLӋWÿӟLYj%ҳFFұQQKLӋWÿӟLӢ

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7LӃS WөF SKiW WULӇQ KѭӟQJ QJKLrQ FӭX YӅ WKjQK SKҫQ KyD KӑF FiF ORjLWKӵF YұW WUrQ ÿӏD EjQ WӍQK 3K~ 7Kӑ QKҵP PөF WLrX SKiW KLӋQ FiF KӧS FKҩW

WKLrQQKLrQWӯFiFORjLWKӵFYұWFӫD9LӋWNam, tôi OӵDFKӑQÿӅWjL³3KkQO̵S

Yj[iFÿ͓QKF̭XWU~FKͫSFK̭WsWHURLGWͳlá- thân cây Gai (Boehmeria nivea (L) Gaud K͕*DL8UWLFDFHDH´

+ &XQJ FҩS FiF Gӳ OLӋX YӅ SKә FӝQJ KѭӣQJ Wӯ KҥW QKkQ FӫD KӧS FKҩWsteroid WӯFk\*DL

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&+ѬѪ1* TӘNG QUAN TÀI LIӊU

1.1 Giӟi thiӋu vӅ chi Boehmeria

Theo WjLOLӋX´ 7ͳÿL͋QWK͹FY̵WWK{QJGͭQg ³FӫDWiFJLҧ9}9ăQ&KL[1],

Boehmeria -DFT Kӑ *DL ± 8ULFDFHDH >ÿӇ WѭӣQJ QKӟ WKҫ\ WKXӕF Yj QKj WKӵF

YұW KӑF ĈӭF *HRUJ 5XGROI %RHKPHU -1803)] ± tên TLӃQJ VLӋW Oj Gai,

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Chi Boehmeria có WӟLORjLӣQKLӋWÿӟLYj%ҳFFұQQKLӋWÿӟLӢ QѭӟFWD

FyORjLPjORjLÿѭӧFELӃWF{QJGөng:

B diffusa Wedd [B Clidemioides

Miq Var Diffusa (Wedd.) Hand ±

Mazz.] ± WrQ7LӃQJ9LӋWOjGai lan

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Cây UD KRD YjR NKRҧQJWKiQJ - WKѭӡQJ PӑF ӣ GӑF VXӕLWӯ YQJ WKҩSlên ÿӃQÿӝFDRP

ӢQѭӟFWD cây Gai Lan SKkQEӕ Wӯ/jR&DL6D3D +j7k\7Kӫ3KiS YjRWӟL.KiQK+Rj1KD7UDQJ

Hình 1.2 Boehmeria macrophylla Hornem ± 1J͕QFk\PDQJKRD

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4XҧEӃFQJGҥQJYӟLEDRKRD

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9NJQJ7jX1~L'LQK

B nivea (L.) Gaud ± WrQ7LӃQJYLӋWÿѭӧFJӑLOj*DL*DLWX\ӃW

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