A new coumarin and triterpenes from Malaysian Micromelum minutum

Ratna Asmah Susidarti Faculty of Pharmacy, Gadjah Mada University, Jogjakarta, Indonesia

Mawardi Rahmani Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, MalaysiaCorrespondence[email protected]

Hazar B. M. Ismail Centre for Foundation Study in Science, University Malaya, Malaysia

M. Aspollah Sukari Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Malaysia

Taufiq-Yap Yun Hin Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Malaysia

Gwendoline Ee Cheng Lian Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Malaysia

Abdul Manaf Ali Department of Biotechnology, Universiti Putra Malaysia, 43400 UPM, Malaysia

Julius Kulip Forest Department, P.O. Box No. 68, 90009 Sandakan, Sabah, Malaysia

Peter G. Waterman Centre for Phytochemistry, Southern Cross University, Lismore, NSW 2480, Australia

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Abstract

A new coumarin, 8,4″-dihydroxy-3″,4″-dihydrocapnolactone-2′,3′-diol (1) and two known triterpenes, 5(6)-gluten-3-one (2) and 5(6)-gluten-3α-ol (3) were isolated from the leaves of Micromelum minutum (Rutaceae) collected from Sepilok, Sabah, Malaysia and their structures were characterized by spectroscopic methods.

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Acknowledgement

We wish to express sincere thanks to Universiti Putra Malaysia for providing the facilities and the Government of Malaysia for providing a research grant under the IRPA Programme.

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A new coumarin and triterpenes from Malaysian Micromelum minutum

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A new coumarin and triterpenes from Malaysian Micromelum minutum

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