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CAS No 21302-79-4 , 3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-

  • Name: 3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-
  • Synonyms: 2a-Carboxy-3b-hydroxy-A(1)-norlup-20(29)-en-28-oicacid;A(1),28-Dinorlup-20(29)-ene-2,17-dicarboxylicacid, 3-hydroxy-, (2a,3b)-;3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-; Emmolic acid (7CI); A(1)-Norlup-20(29)-en-28-oicacid, 2a-carboxy-3b-hydroxy- (8CI); Ceanothic acid(6CI);
  • CAS Registry Number:
  • Flash Point: 336.1°C
  • Boiling Point: 609°Cat760mmHg
  • Density: 1.149g/cm3
  • Refractive index: 1.549
  • Flash Point: 336.1°C
  • Molecular Weight: 0
  • InChI: InChI=1/C30H46O5/c1-16(2)17-10-13-30(25(34)35)15-14-27(5)18(21(17)30)8-9-20-28(27,6)12-11-19-26(3,4)23(31)22(24(32)33)29(19,20)7/h17-23,31H,1,8-15H2,2-7H3,(H,32,33)(H,34,35)/t17-,18+,19-,20-,21+,22+,23-,27+,28+,29-,30-/m0/s1
  • Molecular Formula: C30H46 O5
  • Molecular Structure:CAS No:21302-79-4 3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-

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21302-79-4 3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-

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References of 3'H-Cyclopenta[3,4]-18-norandrost-3-ene-3',13-dicarboxylicacid, tetrahydro-4'-hydroxy-4,5',5',9-tetramethyl-15-(1-methylethenyl)-, (3b,3'b,4a,4'a,5b,8a,9b,10a,13a,14b,15b)-
Title: Ceanothic Acid
CAS Registry Number: 21302-79-4
CAS Name: (2a,3b)-3-Hydroxy-A(1),28-dinorlup-20(29)-ene-2,17-dicarboxylic acid
Synonyms: emmolic acid
Molecular Formula: C30H46O5
Molecular Weight: 486.68
Percent Composition: C 74.04%, H 9.53%, O 16.44%
Literature References: From Ceanothus americanus L., Rhamnaceae (New Jersey tea). Isoln: Julian et al., J. Am. Chem. Soc. 60, 77 (1938). Identity of ceanothic acid and emmolic acid: Mechoulam, Chem. Ind. (London) 1961, 1835. Structure: de Mayo, Starratt, Tetrahedron Lett. 1961, 259; Mechoulam, J. Org. Chem. 27, 4070 (1962). Stereochemistry: de Mayo, Starratt, Can. J. Chem. 40, 788 (1962). Revised stereochemistry: Eade et al., Aust. J. Chem. 24, 621 (1971).
Properties: Crystals from methanol + ether, mp 356-357°. [a]D +38° (c = 1.20 in ethanol).
Melting point: mp 356-357°
Optical Rotation: [a]D +38° (c = 1.20 in ethanol)
 
Derivative Type: Dimethyl ester
Molecular Formula: C32H50O5
Molecular Weight: 514.74
Percent Composition: C 74.67%, H 9.79%, O 15.54%
Properties: Crystals from ether + petr ether, mp 221-223°. [a]D +41° (chloroform).
Melting point: mp 221-223°
Optical Rotation: [a]D +41° (chloroform)