Phân lập hợp chất tự nhiên từ loài hải miên Xestospongia testudinaria : Luận văn tốt nghiệp Cao học. Chuyên ngành Hóa hữu cơ

Hải miên Xestospongia testudinaria (3.54 kg) được thu tại tỉnh Kiên Giang và chiết tách hợp chất bằng cồn 96°. Sử dụng một phần cao ethanol (25.0 g) để tiếp tục chiết lỏng-lỏng với các dung môi n-hexane (Hex), dichloromethane (DC), ethyl acetate (EA). Cô quay...

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Bibliografische gegevens
Hoofdauteur:	Phan, Minh Phục
Formaat:	Boek
Taal:	Undetermined
Gepubliceerd in:	Cần Thơ Trường Đại học Cần Thơ 2020
Onderwerpen:	Hợp chất hữu cơ,Organic compounds
Tags:	Voeg label toe Geen labels, Wees de eerste die dit record labelt!

Thư viện lưu trữ:	Trung tâm Học liệu Trường Đại học Cần Thơ

Omschrijving
Samenvatting:	Hải miên Xestospongia testudinaria (3.54 kg) được thu tại tỉnh Kiên Giang và chiết tách hợp chất bằng cồn 96°. Sử dụng một phần cao ethanol (25.0 g) để tiếp tục chiết lỏng-lỏng với các dung môi n-hexane (Hex), dichloromethane (DC), ethyl acetate (EA). Cô quay các dịch chiết phân đoạn và thu đươc bốn loại cao chiết: Hex (2.3g), DC (1.3 g), EA (1.0 g) và phần còn lại là cao H2O (20.0 g). Từ các cao Hex, DC, EA phân lập được 7 hợp chất theo thứ tự là xestosterol, 26,27-dimethyl-24-methylene cholest-4-en-3-one, 3-bromo-5- ethoxy-2-hydroxymethyl tetrahydrofuran, 5-ethoxy-2-hydroxymethyl tetrahydrofuran-3-ol, 3-methyl-maleimide-5-oxime, maleimide-5-oxime, tetillapyrone. Các hợp chất được xác định bằng các phương pháp phổ nghiệm như: 1DNMR, 2D-NMR, ESI-MS và tiến hành so sánh dữ liệu phổ với các tài liệu đã được công bố.

Phân lập hợp chất tự nhiên từ loài hải miên Xestospongia testudinaria : Luận văn tốt nghiệp Cao học. Chuyên ngành Hóa hữu cơ

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