Title: Helminthosporol
CAS Registry Number: 1619-29-0
CAS Name: (1R,4R,5S,8S)-8-(Hydroxymethyl)-1,7-dimethyl-4-(1-methylethyl)bicyclo[3.2.1]oct-6-ene-6-carboxaldehyde
Additional Names: 8-(hydroxymethyl)-4-isopropyl-1,7-dimethylbicyclo[3.2.1]oct-6-ene-6-carboxaldehyde
Molecular Formula: C15H24O2
Molecular Weight: 236.35
Percent Composition: C 76.23%, H 10.24%, O 13.54%
Literature References: A plant-growth regulator isolated from Helminthosporium sativum as (-)-form. Prepn: Tamura et al., Agric. Biol. Chem. 29, 216 (1965); Tamura, Sakurai, ibid. 28, 337 (1964); Tamura et al., ibid. 27, 738 (1963). Synthesis of (+)-form: E. Piers, H. P. Isenring, Can. J. Chem. 55, 1039 (1977).
Properties: Crystals from n-hexane, mp 98°. [a]D23 -28.7° (c = 1.93 in CHCl3). uv max (ethanol): 267 nm.
Melting point: mp 98°
Optical Rotation: [a]D23 -28.7° (c = 1.93 in CHCl3)
Absorption maximum: uv max (ethanol): 267 nm
Status: This monograph has been retired and is no longer subject to revision or update. |