Home > Name List By 2 > 2H-Cyclopenta[b]naphtho[2,3-d]furan-10-aceticacid,5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxy...

CAS No 5945-86-8 , 2H-Cyclopenta[b]naphtho[2,3-d]furan-10-aceticacid,5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxycarbonyl)-1,6,9a,10a-tetramethyl-9-oxo-,methyl ester, (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-

  • Name: 2H-Cyclopenta[b]naphtho[2,3-d]furan-10-aceticacid,5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxycarbonyl)-1,6,9a,10a-tetramethyl-9-oxo-,methyl ester, (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-
  • Synonyms: AQ-152/42730366; AC1L3398; SureCN1111339;CHEBI:67304; ZINC08382508; Nimbin (chemical); CHEMBL1774397; 5945-86-8;2H-Cyclopenta[b]naphtho[2,3-d]furan-10-aceticacid,5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxycarbonyl)-1,6,9a,10a-tetramethyl-9-oxo-,methyl ester, (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-;
  • CAS Registry Number:
  • Flash Point: 320.4°C
  • Boiling Point: 606.1°C at 760 mmHg
  • Density: 1.27g/cm 3
  • Flash Point: 320.4°C
  • Molecular Weight: 540.60144
  • InchiKey: NHOIBRJOQAYBJT-IMGVWCFESA-N
  • 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
  • Molecular Formula: C30H36O9
  • Molecular Structure:CAS No:5945-86-8 2H-Cyclopenta[b]naphtho[2,3-d]furan-10-aceticacid,5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxycarbonyl)-1,6,9a,10a-tetramethyl-9-oxo-,methyl ester, (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-

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5945-86-8 Nimbin

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References of 2H-Cyclopenta[b]naphtho[2,3-d]furan-10-aceticacid,5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxycarbonyl)-1,6,9a,10a-tetramethyl-9-oxo-,methyl ester, (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-
Title: Nimbin
CAS Registry Number: 5945-86-8
CAS Name: (4a,5a,6a,7a,15b,17a)-6-(Acetyloxy)-7,15:21,23-diepoxy-4,8-dimethyl-1-oxo-18,24-dinor-11,12-secochola-2,13,20,22-tetraene-4,11-dicarboxylic acid dimethyl ester
Synonyms: 5-(acetyloxy)-2-(3-furanyl)-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-6-(methoxycarbonyl)-1,6,9a,10a-tetramethyl-9-oxo-2H-cyclopenta[b]naphtho[2,3-d]furan-10-acetic acid
Molecular Formula: C30H36O9
Molecular Weight: 540.60
Percent Composition: C 66.65%, H 6.71%, O 26.64%
Literature References: Bitter principle from various parts of the neem tree, Azadirachta indica A. Juss. (Melia azadirachta L.), Meliaceae: Siddiqui, Curr. Sci. 11, 278 (1942). Structure: C. R. Narayanan et al., Chem. Ind. (London) 1964, 322; C. R. Narayanan, R. V. Pachapurkar, Tetrahedron Lett. 1965, 4333. Stereochemistry: eidem, J. Org. Chem. 31, 2691 (1966); Harris et al., Tetrahedron 24, 1517 (1968). Crystal structure of dihydronimbin: C. R. Narayanan et al., Acta Crystallogr. B36, 486 (1980).
Properties: Crystals from methanol, mp 205°. [a]D24 +170° (abs ethanol). uv max (95% ethanol): 210, 330 nm (e 32700; 66). Practically insol in water. Sol in ether, abs alcohol.
Melting point: mp 205°
Optical Rotation: [a]D24 +170° (abs ethanol)
Absorption maximum: uv max (95% ethanol): 210, 330 nm (e 32700; 66)
 
Derivative Type: Dihydronimbin
Molecular Formula: C30H38O9
Molecular Weight: 542.62
Percent Composition: C 66.40%, H 7.06%, O 26.54%
Properties: Crystals from methanol, mp 215-216°. [a]D +167.5° (chloroform). uv max (95% ethanol): 210, 298 nm (e 16200; 29).
Melting point: mp 215-216°
Optical Rotation: [a]D +167.5° (chloroform)
Absorption maximum: uv max (95% ethanol): 210, 298 nm (e 16200; 29)