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Analisis spektra aegelin yang diisolasi dari daun maja (Aegle marmelos Corr) (Spectral analysis of aegelin isolated from maja leaves (Aegle marmelos Corr)

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Aegelin is an alkaloid which isolated from Maja (Aegle marmelos, Corr) leaves. The molecular structure of the compound contains a chiral carbonatom. In our earlier publications the existence and influence of a chiral carbon atom have out been discussed yet. The existing of the chiral carbon atom gave rice two pair doublets at δ 3,67 J=3,4 Hz and δ 3,43 J=8,5 Hz in the proton which attached on adjacent atom of the chiral carbon atom which is confirmed by the two dimension nmr spectrum (HMQC).
The two protons are magnetic unequivalent which cause their chemical shifts are different. The protons appear as two doublet with different J value because its couple to a proton attached at the chiral carbon atom and the spin-spin splitting is observed. The existence of the two pairs of the doublets at δ 3,67 d,J=3,4HZ and δ 3,42 d,J=8,5Hz because the isolated aegelin from E-marmelos leaves contains of is enantimeer

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Series Title

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Call Number

Majalah Farmasi Indonesia: Vol. 19 (2) 2008: 95-10

Publisher

Yogyakarta : Fakultas Farmasi UGM, Badan Litbangkes., 2008

Collation

6 p

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ISBN/ISSN

0126-1037

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Subject(s)

SPECTRUM ANALYSIS.
AEGLE

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