Pododacric Acid CAS Registry Number: 32630-75-4 12,16,17-三羟基松香-8,11,13-三烯-19-酸
CAS Name: [1S-(1a,4aa,10ab)]-1,2,3,4,4a,9,10,10a-Octahydro-6-hydroxy-7-[2-hydroxy-1-(hydroxymethyl)ethyl]-1,4a-dimethyl-1-phenanthrenecarboxylic acid
Additional Names: 12-hydroxy-13-[2-hydroxy-1-(hydroxymethyl)ethyl]podocarpa-8,11,13-trien-16-oic acid
Percent Composition: C 68.94%, H 8.10%, O 22.96%
📌 参考资料/链接：
Literature References: From heartwood of Podocarpus dacrydioides; P. totara: Briggs et al., Tetrahedron 7, 270 (1959); Cambie, Mander, ibid. 18, 465 (1962). Structure: Cambie, Mathai, Chem. Commun. 1971, 154.
📄 详细内容
Properties: Colorless needles from 30% methanol, mp 213-214°. [a]D25 +118° (c = 0.9 in 5:1 chloroform-methanol). uv max: 225, 284 nm (e 5500, 3100). pK 8.44 (in methyl cellosolve system).
Melting point: mp 213-214°
pKa: pK 8.44 (in methyl cellosolve system)
Optical Rotation: [a]D25 +118° (c = 0.9 in 5:1 chloroform-methanol)
Absorption maximum: uv max: 225, 284 nm (e 5500, 3100)
产品链接: 32630-75-4››