New sesquiterpene quinones from marine sponges of the order dictyoceratida

Isospongiaquinone and a new sesquiterpene quinone — dictyoceratidaquinone — have been isolated from a dictyoceratidan marine sponge. Ilimaquinone and the new aminoquinone, a sesquiterpenylamylaminohydroxyquinone, have been isolated from a spongeSpongia sp. Synthetic analogs of natural aminoquinones have been obtained by replacing the methoxy group in ilimaquinone and isospongiaquinone by an amine group.Pacific Ocean Institute of Bioorganic Chemistry, Far Eastern Branch, Academy of Sciences of the USSR, Vladivostok. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 47–51, January–February, 1990.     

Diterpenes ofLagochilus pubescens

Summary Compounds synthesized previously — di-O-isopropylidenelagochilin, di-O-acetyl-3,18-O-isopropylidenelagochilin, and 3,18-O-isopropylidenelagochilin — have been isolated for the first time from the plantLagochilus pubescens, and some supplementations have been made to their physicochemical constants.A new diterpene compound has been isolated for which, on the basis of IR, PMR, and mass spectra and chemical transformations, the structure of 16-O-acetyl-3,18-O-isopropylidenelagochilin is proposed.V. I. Lenin Tashkent State University. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 46–49, January–February, 1977.     

Steroid glycosides. XIX. A chemical study of funkiosides E and G from the leaves ofFunkia ovata

Summary 1. Gitogenin, diosgenin, kogagenin, ruscogenin, and tokorogenin have been isolated for the first time fromFunkia ovata Spr.2. Structures of two new steroid glycosides — funkiosides E and G — have been determined.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 69–72, January–February, 1977.     

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.     

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.     

Gaigranin and gaigrandin — New sesquiterpene lactones fromGaillardia grandiflora

Two new sesquiterpene lactones — gaigranin and gaigrandin — have been isolated from the epigeal part ofGaillardia grandiflora, and their structures have been established on the basis of spectral (IR, PMR,¹³C NMR, and mass) characteristics and x-ray structural analysis.Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 79–85, January–February, 1995. Original article submitted October 7, 1994.     

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.     

Structures of fersin and fersinin

Two new compounds — fersin and fersinin — have been isolated from the neutral fraction of the total extractive substances from the roots ofFerula soongorica. Their structures have 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) 89 14 75. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 504–506, July–August, 1994.     

Alkaloids ofNitraria komarovii nitraricine and nitrarizine nitrarizine

Two new alkaloids — nitraricine and nitraricine — have been isolated from the epigeal part ofNitraria komarovii.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. 95–99, January–February, 1995. Original article submitted October 10, 1994.     

Triterpene glycosides ofAcanthophllum gypsophiloides VI. Structure of acanthophylloside D

Summary A new triterpene glycoside — acanthophylloside D — has been isolated from the roots ofAcanthophyllum gypsophiloides Rgl. It is a decaoside of quillaic acid containing O-glycosidic and O-acylosidic carbohydrate chains identical in structure with the analogous fragments of acanthophylloside B.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 176–180, March–April, 1979.     

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.     

Phlomoside B - An iridoid glycoside fromPhlomis regelii

A new iridoid — phlomoside B — has been isolated from the epigeal part of the plantPhlomis regelii (M. Pop.). Its structure has been established on the basis of spectral investigations 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. 1, pp. 46–49, January–February, 1996. Original article submitted September 17, 1995.     

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 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.     

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.     

Steroid saponins and sapogenins ofAllium. XX. Structure of karatavisoides E and F

The structures of two new steroid glycosides of the spirostan series isolated from inflorescences of the plantAllium karataviense Rgl. (family Alliaceae) — karataviosides E and F — have been shown on the basis 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. 1, pp. 69–73, January–February, 1984.     

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.     

Structure of the new germacranolide shonachalin A fromArtemisia fragrans

The structure of a new germacranolide — shonachalin A isolated fromArtemesia fragrans — has been established on the basis of chemical and spectroscopic (IR, UV, and¹H and¹³C NMR) results.V. L. Komarov Institute of Botany, Academy of Sciences of Azerbaidzhan SSR, Baku. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 196–199, March–April, 1985.     

Diterpenoids ofPulicaria salviifolia. I. Structures of salvin and salvinin

Two new diterpenoids of the clerodane series — salvin and salvinin — have been isolated from the epigeal part ofPulicaria salviifolia Bgl. in Mem. A structure and a most probable stereochemistry are proposed.Presented at the VIIth Indo-Soviet Symposium on the Chemistry of Natural Compounds [16].Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 201–205, March–April, 1985.