Alkaloids of Aconitum sajanense I. Structure of acosanine

From the epigeal part of the previously unstudied plantAconitum sajanense we have isolated the new alkaloid acosanine, the structure of which has been established on the basis of spectral characteristics and has been confirmed by a direct comparison with a sample of demethyldelcorine.Institute of Chemistry of Plant Substances, Uzbekistan Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 247–249, March–April, 1992.     

Alkaloids of Vinca major

Summary 1. From the epigeal part ofVinca major have been isolated the known bases akuammicine, vincamajine, vincamajoridine, and ervine, and the new alkaloid majorinine with the composition C₂₂H₂₄N₂O₄, mp 195–196°C.2. On the basis of chemical transformations and IR, UV, mass, and PMR spectra using the methods of double resonance collapse and INDOR the structure of 21-hydroxy-10-methoxyvinorine and the stereochemistry (I) have been established for majorinine.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 382–387, May–June, 1977.     

A study of the alkaloids ofCodonopsis clematidea

Conclusions From the epigeal part ofCodonopsis clematidea, the new alkaloid codonopsine has been isolated; its most probable structure is 1,4-dihydroxy-1,3-dimethyl-5-veratrylpyrrolidine.Khimiya Prirodnykh Soedinenii, Vol. 5, No. 1, pp. 30–32, 1969     

Phytoecdysteroids of plants of the genus Serratula. Ajugasterone C 20,22-monoacetonide from Serratura wolffii

The phytoectysteroids of the epigeal part of the plantSerratula wolffii Andrae have been investigated. The structure of a new ecdysteroid — ajugasterone C 20,22-monoacetonide has been established. Seven known acdysteroids have been isolated and identified.Institute of Biochemistry, Ukrainian Academy of Sciences, Kiev. Institute of Plant Substances, Uzbekistan Republic Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 71–76, January–February, 1992.     

Steroid saponins and sapogenins of Allium X. Neoagigenin 6-O-benzoate from Allium turcomanicum

Summary From the epigeal parts ofAllium turcomanicum Rgl., in addition to the known spirostans yuccagenin, neoagigenin, neoagigenone, neoagigenin, and alliogenin, we have isolated a new steriod sapogenin the structure of which has been established as neoagigenin 6-O-benzoate.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 534–537, July–August, 1977.     

Structure of vincaridine and vincaricine

Conclusions 1. Picrinine and a new base, vincaricine, have been isolated from the epigeal part ofVinca erecta Rgl. et Schmalh.2. The structure of vincaricine has been established by a study of its IR, UV, NMR, and mass spectra and its chemical properties.Khimiya Prirodnykh Soedinenii, Vol. 5, No. 6, pp. 521–524, 1969     

Alkaloids of Aconitum coreanum. III. 13-Acetyl-14-hydroxy-2-isobutyrylhetisine N-oxide

It has been established by the x-ray structural method that a new alkaloid isolated from the epigeal part ofAconitum coreanum has the structure of 13-acetyl-14-hydroxy-2-isobutyrylhetisine N-oxide. This is the first time that a N-oxide has been isolated among the hetisine alkaloids.Institute of the Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 378–383, May–June, 1990.     

Alkaloids of Stephania delovayi III. Stephodeline

Summary From the epigeal part ofStephania delovayi Diels (Menispermaceae) have been isolated cycleanine and a new amorphous alkaloid, stephodeline, with the composition C₂₁H₂₇O₅N, a structure for which is proposed.All-Union Scientific-Research Institute of Medicinal Plants. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 650–653, September–October, 1973.     

Alkaloids of Aconitum coreanum. IV. 14-Hydroxy-2-isobutyrylhetisine N-oxide

A new alkaloid has been isolated from the epigeal part ofAconitum coreanum (Levl.) Rapaics, for which the structure of 14-hydroxy-2-isobutyrylhetisine N-oxide has been established on the basis of spectral characteristics and a chemical transformation.Institute of the Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 383–386, May–June, 1990.     

Alkaloids of Haplophyllum bungei

The alkaloids dictamnine, skimmianine, folimine, robustinine, and 4-methoxy-2-quinolone, found for the first time in plants of the genusHaplophyllum and the new alkaloid haplobungine, for which the structure of 4,7,8-trimethoxy-2-quinolone has been established, have been isolated from the epigeal part of the plantHaplophyllum bungei Trautv. growing in the Moiynkumy desert, Chimkent province, Kazakh SSR.Institute of Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 23–25, January–February, 1989.     

The structure of vincarine

Summary A new base, vincarine, has been isolated from the roots and epigeal part ofV. erecta. Its formula is C₂₁H₂₄O₃N₂.The structure of vincarine has been established by analysis of the UV, IR, NMR, and mass spectra and also by its conversion into polyneuridine; it is a diastereoisomer of quebrachidine.Khimiya Prirodnykh Soedinenii, Vol. 1, No. 2, pp. 110–113, 1965.     

Alkaloids ofPetilium eduardi

Summary 1. Imperialine, imperialone, peimisine, and the new alkaloids edpetiline, eduardine, edpetilidine, and edpetilidinine have been isolated from the epigeal part ofP. eduardi.2. The hydrolysis of edpetiline has given D-glucose and imperialine.3. The structural formula of edpetiline has been established by the condensation of imperialine with tetraacetylbromoglucose.Khimiya Prirodnykh Soedinenii, Vol. 1, No. 6, pp. 384–392, 1965.     

The structure of the sesquiterpene lactone saupirin

Conclusions A new sesquiterpene lactone, saupirin, has been isolated from the epigeal green part ofSaussurea neopulchella Lipsch. andSaussurea pulchella Fisch., and structure (I) has been proposed for it.All-Union Scientific-Research Institute for Medicinal Plants. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 727–736, November–December, 1971.     

8-Acetylexcelsine — A new alkaloid form Aconitum kirinense

The alkaloid 8-acetylexcelsine has been isolated from the epigeal part ofAconitum kirinense Nakai. Its structure has been established with the aid of chemical transformations and spectral characteristics.Institute of Chemistry of Plant Substances Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 258–261, March–April, 1991.     

Zeravshanisine — A new alkaloid from Aconitum zeravschanicum

The new diterpene alkaloid zeravshanisine has been isolated from the epigeal part ofAconitum zeravschanicum Steinb.. Its structure has been established by spectral methods and by x-ray structural analysis as 2-acetyl-13-benzoyl-14-hydroxyhetisine.Institute of Chemistry of Plant Substances, Uzbekistan Republic Academy of Sciences, Tashkent. Institute of Organometallic Compounds, Russian Academy of Sciences, Moscow. Translated from Khimiya Prirodnykh Soedinenii, Nos. 3,4, pp. 375–382, May–August, 1992.     

A study of the alkaloids ofLeontice albertii

Conclusions 1. Thaspine, N-methylcytisine, anabasine, matrine, leontine, leontalbinine, and the new alkaloids d-sophoridine and albertidine have been isolated from the epigeal part ofL. Albertii Rgl.2. A new spatial structure has been proposed for sophoridine.Khimiya Prirodnykh Soedinenii, Vol. 5, No. 5, pp. 409–412, 1969