9952. Veratramine

Nomenclature

CAS number: 60-70-8
(3β,23β)-14,15,16,17-Tetradehydroveratraman-3,23-diol.
C27H39NO2; mol wt 409.60.
C 79.17%, H 9.60%, N 3.42%, O 7.81%.

Description and references

Secondary base from Veratrum grandiflorum (Maxim.) Loes. f., and from V. viride Ait., Liliaceae. Isoln and structure: Saito, Bull. Chem. Soc. Jpn. 15, 22 (1940); Jacobs, Craig, J. Biol. Chem. 160, 555 (1945); Jacobs, Sato, ibid. 181, 55 (1949); 191, 71 (1951); Tamm, Wintersteiner, J. Am. Chem. Soc. 74, 3842 (1952); Wintersteiner, Festschrift Arthur Stoll (Birkhuser-Verlag, Basel) pp 166-176. Total synthesis: Masamune et al., J. Am. Chem. Soc. 89, 4521 (1967); Johnson et al., ibid. 4523; Masamune et al., Tetrahedron 27, 3369 (1971); Kutney et al., Can. J. Chem. 53, 1796 (1975). Stereochemistry: Sicher, Tichy, Tetrahedron Lett. 1959(12), 6 (1959); Kataoka, Chem. Ind. (London) 1961, 512; Bailey et al., Tetrahedron Lett. 1963, 555. Revised stereochemistry: Scott et al., ibid. 1967, 2381; Kupchan, Suffness, J. Am. Chem. Soc. 90, 2730 (1968); Sprague et al., Tetrahedron 27, 4857 (1971). See also: Veratrum Viride.

Chemical structure

Properties

Crystals, mp 206-207°. Slightly sol in water. Sol in methanol, alcohol. Precipitated by digitonin. [α]D25 71.8° (c = 1.21); [α]D25 70° (c = 1.56 in methanol). uv max: 268 nm.

Derivative

Dihydroveratramine.

Properties

Crystals, mp 192.5-194°. [α]D25 +26° (c = 1.26 in acetic acid).