Nimbin (chemical)

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]

Nimbin
Nimbin.svg
Names
Preferred 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
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.106.899 Edit this at Wikidata
UNII
  • 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
  • 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
C30H36O9
Molar mass 540.609 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

See alsoEdit

ReferencesEdit

  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