Cyclobuxine D
Structural Formula Vector Image
Title: Cyclobuxine D
CAS Registry Number: 2241-90-9
CAS Name: (3b,5a,16a,20S)-14-Methyl-3,20-bis(methylamino)-4-methylene-9,19-cyclopregnan-16-ol
Additional Names: cyclobuxine
Molecular Formula: C25H42N2O
Molecular Weight: 386.61
Percent Composition: C 77.67%, H 10.95%, N 7.25%, O 4.14%
Literature References: From Buxus sempervirens L., Buxaceae: E. Schlittler et al., Helv. Chim. Acta 32, 2209 (1949). Probably identical with Alkaloid A: Heusler, Schlittler, ibid. 2226. Structure: Brown, Kupchan, J. Am. Chem. Soc. 84, 4590 (1962). Stereochemistry: eidem, ibid. 86, 4424 (1964).
Properties: Crystals, dec 245-247°. [a]D23 +98° (chloroform).
Melting point: dec 245-247°
Optical Rotation: [a]D23 +98° (chloroform)
 
Derivative Type: Dihydrobromide
Molecular Formula: C25H42N2O.2HBr
Molecular Weight: 548.44
Percent Composition: C 54.75%, H 8.09%, N 5.11%, O 2.92%, Br 29.14%
Properties: Crystals, dec 288-292°.
Melting point: dec 288-292°
 
Derivative Type: N,N¢-Dimethylcyclobuxine D
CAS Registry Number: 4282-16-0
Molecular Formula: C27H46N2O
Molecular Weight: 414.67
Percent Composition: C 78.20%, H 11.18%, N 6.76%, O 3.86%
Properties: Crystals, dec 204-205°. [a]D25 +99° (chloroform).
Melting point: dec 204-205°
Optical Rotation: [a]D25 +99° (chloroform)

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