Alkaloids of a new type fromSophora alopecuroides L.

Summary The structures of aloperine and allylaloperine (fromSophora alopecuroides L.) — alkaloids of a new structural type for the genusSophora — have been established by chemical and spectral methods. A number of parameters, NMR spectra, and mass spectra characterizing this class of compounds has been obtained. The partial synthesis of allylaloperine has been performed.All-Union Scientific-Research Institute of Medicinal Plants. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 30–37, January–February, 1975.     

Phytoecdysteroids of plants of the genusRhaponticum I. Carthamosterone a fromRh. carthamoides

A new ecdysteroid — carthamosterone A — has been isolated from the seeds ofRhaponticum carthamoides. Its structure has been established from the results of spectral investigations.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 40 64 75. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 392–394, May–June, 1997.     

Phytoecdysteroids of plants of the genusRaphonticum II. Carthamosterone b fromRh. carthamoides

The structure of a new ecdysteroid — carthamosterone B, isolated from the seeds ofRhaponticum carthamoides — has been established from an investigation of its spectral characteristics.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 40 64 75. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 395–396, May–June, 1997.     

The structure of xeroferin

Summary From the roots ofFerula xeromorpha Eug. Kor. (xeromorphic giantfennel) an ester of undescribed alcohol — himachal-2-ene-4,7-diol — and isovanillic acid has been isolated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 581–584, September–October, 1978.     

Phlomoside C — an iridoid glycoside fromPhlomis regelii

A new iridoid — phlomoside C — has been isolated from the epigeal part ofPhlomis regelii M. Pop. Its structure has been established on the basis of spectral characteristics and chemical transformations.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 89 14 75. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 554–557, July–August, 1996. Original article submitted February 5, 1996.     

Triterpene and steroid glycosides of the genusMelilotus and their genins III. Funkioside B and protodioscin from the seeds ofMelilotus tauricus

Two steroid glycosides belonging to the furostan series — funkioside B and protodioscin — have been isolated from the seeds of the plantMelilotus tauricus (Bieb.).Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 766–770, November–December, 1994.     

Stereochemistry of alkhanin and alkhanol

The stereochemistry of alkhanin and alkhanol — sesquiterpene lactones isolated fromArtemisia fragrans — has been established.V. L. Komarov Institute of Botany, Academy of Sciences of the Azerbaidzhan SSR, Baku. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 488–490, July–August, 1979.     

Phytoecdysteroids of plants of the genusSilene XX. Integristerone A 25-acetate fromSilene brahuica

A new ecdysteroid—integristerone A 25-acetate—has been isolated from the roots ofSilene brahuica Boiss. Its structure has been determined on the basis of chemical transformations and spectral characteristics.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 40 64 75. Translated from Khimiya Prirodnykh Soedinenii, No 4, pp. 492–493, July–August, 1999.     

14-Hydroxycaryophyllene 4,5-oxide — A new sesquiterpene fromBetula pubescens

A new sesquiterpene — 14-hydroxycaryophyllene 4,5-oxide — has been isolated from the unsaponifiable part of an ethereal extract of the leaves ofBetula pubescens, and its structure has been established on the basis of chemical and spectral characteristics.Pacific Ocean Institute of Bioorganic Chemistry, Far Eastern Scientific Center, Academy of Sciences of the USSR, Vladivostok. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 598–603, September–October, 1984.     

Isolation of hispidin from a walnut-tree fungus and its antioxidant activity

An -styrylpyrone derivative — hispidin — has been isolated from a walnut-tree fungus. Its antioxidant activity has been studied inin vitro andin vivo experiments on animals of different ages.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 89 14 75. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 34–37, January–February, 1996. Original article submitted November 3, 1995.     

Structure of shonachalin D — A new elemanolide

The structure of a new elemanolide — shonachalin D fromArtemisia fragrans — has been established on the basis of IR and NMR spectra.V. L. Komarov Institute of Botany, Academy of Sciences, of the USSR, Baku. Translated from Khimiya Prirodnykh Soedinenii, No. lk pp. 101–104, January–February, 1987.     

Phytoecdysones ofAjuga turkestanica. III. The structure of turkesterone

Summary From the roots ofAjuga turkestanica (Rg1.) Briq. family Labiatae a new phytoecdysone — turkesterone — has been isolated. It has been shown that it is 1120R-dihydroxyecdysone.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 466–470, July–August, 1975.     

Triterpene and steroid glycosides of the genusMelilotus and their genins IV. Trillin and dioscin from the seeds ofMelilotus tauricus

Two steroid glycosides belonging to the spirostan series — trillin and dioscin — have been isolated from the seeds of the plantMelilotus tauricus (Bieb.) Ser.Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 770–772, November–December, 1994.     

Coumarins and esters ofFerula microcarpa

Summary 1. In addition to known compounds, a new terpenoid coumarin has been isolated fromFerula microcarpa — fecarpin, which is the stereoisomer of kamolol in relation to the orientation of the hydroxy group.2. Microferin and microferinin — esters of a new guaiane alcohol microferol with p-hydroxybenzoic and vanillic acids, respectively — have been isolated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 566–570, September–October, 1978.     

Phytoecdysteroids of plants of the genusRhaponticum polypodin B 22-O-benzoate fromRhaponticum carthamoides

A known ecdysteroid — -ecdysone- and a new phytoecdysteroid — polypodin B-22-O-benzoate — have been isolated from the seeds ofRhaponticum carthamoides (Willa) Iljin. Alkaline hydrolysis of the latter gave polypodin B. Its structure has been established on the basis of chemical transformations and spectral characteristics.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 40 64 75. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 851–853, November–December, 1997.     

Diterpene lactones and iridoid glycosides of plants of the genusLagochilus

The structure of the diterpenoid lagohirsin, found not only in the plant Lagochilus hirsutissimus but also inL. setulosus andL. olgae, has been confirmed by independent synthesis. In L. hirsutissimus new mono- and diacetyllagohirsins have been found together with lagohirsin itself. Iridoid glycosides — harpagide and its 8-O acetate — have been found for the first time in plants of the genus Lagochilus.Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 33–37, January–February, 1994.     

The structures of juniferin and juniferinin

Summary Two new esters of the new sesquiterpene alcohol juniferol — juniferin and juniferinin — have been isolated from the roots ofFerula juniperina. On the basis of the products of chemical transformations and spectral characteristics the structure of 2,5-dihydroxy-1,1,4,8-tetramethylcycloundeca-3,7-diene has been proposed for juniferol.It has been shown that juniferin is 5-O-vanilloyljuniferol, and juniferinin is 2-O-acetyl-5-O-p-hydroxybenoyljuniferol.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 790–796, November–December, 1977.     

Structure of ferulide

The structure of a new sesquiterpene lactone — ferulide fromFerula penninervis Regel et Schmalh — has been established on the basis of its spectral characteristics. This compound has the composition C₂₀H₂₄O₅, mp 135–137°C.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 240–242, March–April, 1987.