Nimbin (chemical)

Nimbin

Names
IUPAC name Methyl (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-5-(acetyloxy)-2-(furan-3-yl)-10-(2-methoxy-2-oxoethyl)-1,6,9a,10a-tetramethyl-9-oxo-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-2H-cyclopenta[b]naphtho[2,3-d]furan-6-carboxylate
Identifiers
CAS Number	5945-86-8
3D model (Jmol)	Interactive image
ChemSpider	97160
ECHA InfoCard	100.106.899
PubChem	108058
InChI InChI=1S/C30H36O9/c1-15-18(17-9-11-37-14-17)12-19-23(15)30(5)20(13-22(33)35-6)29(4)21(32)8-10-28(3,27(34)36-7)25(29)24(26(30)39-19)38-16(2)31/h8-11,14,18-20,24-26H,12-13H2,1-7H3/t18-,19-,20-,24-,25+,26-,28-,29+,30-/m1/s1 Key: NHOIBRJOQAYBJT-IMGVWCFESA-N InChI=1/C30H36O9/c1-15-18(17-9-11-37-14-17)12-19-23(15)30(5)20(13-22(33)35-6)29(4)21(32)8-10-28(3,27(34)36-7)25(29)24(26(30)39-19)38-16(2)31/h8-11,14,18-20,24-26H,12-13H2,1-7H3/t18-,19-,20-,24-,25+,26-,28-,29+,30-/m1/s1 Key: NHOIBRJOQAYBJT-IMGVWCFEBM
SMILES O=C1\C=C/[C@@](C(=O)OC)([C@H]4[C@]1([C@H]([C@@]3(\C5=C(/C)[C@H](c2ccoc2)C[C@H]5O[C@@H]3[C@@H]4OC(=O)C)C)CC(=O)OC)C)C
Properties
Chemical formula	C30H36O9
Molar mass	540.61 g·mol^−1
Melting point	205 °C (401 °F; 478 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Nimbin is a triterpenoid isolated from Neem. Nimbin is thought to be responsible for much of the biological activities of neem oil, and is reported to have anti-inflammatory, antipyretic, fungicidal, antihistamine and antiseptic properties.^[2]

See also

• Azadirachtin, another chemical isolated from neem that is used commercially as an insecticide

References

1. Siddiqui, Salimuzzaman (1945). "Utilization of nim oil and its bitter constituents (nimbidin series) in the pharmaceutical industry". Journal of Scientific & Industrial Research. 4: 5–10.
2. W. Kraus, "Biologically active ingredients-azadirachtin and other triterpenoids", in: H. Schutterer (Ed.), The Neem Tree Azadirachta indica A. Juss and Other Meliaceous Plants, Weinheim, New York, 1995, p 35-88