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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共12条记录   TOTAL SYNTHESIS OF TETRAHYDROPYRAN-CONTAINING NATURAL PRODUCTS EXPLOITING INTRAMOLECULAR OXA-CONJUGATE CYCLIZATION [作者：FUWA HARUHIKO,期刊：Heterocycles, 页码：1255-1298 , 文章类型： Review，,卷期：2012年85-6] A growing number of tetrahydropyran-containing biologically active substances are being discovered from nature. Intramolecular oxa-conjugate cyclization (IOCC) is known as one of the most powerful methodologies for the s... BIOACTIVE NATURAL PRODUCTS FROM MYXOMYCETES HAVING EFFECTS ON SIGNALING PATHWAYS [作者：ISHIBASHI MASAMI; ARAI MIDORI A,期刊：Heterocycles, 页码：1299-1332 , 文章类型： Review，,卷期：2012年85-6] The myxomycetes (true slime molds) are an unusual group of primitive organisms that may be assigned to one of the lowest classes of eukaryotes. We studied the chemical constituents of a laboratory culture of plasmodia as... MULTICOMPONENT COUPLING REACTION OF ARYNES FOR CONSTRUCTION OF HETEROCYCLIC SKELETONS [作者：YOSHIDA HIROTO; TAKAKI KEN,期刊：Heterocycles, 页码：1333-1349 , 文章类型： Review，,卷期：2012年85-6] Recent progress on the multicomponent coupling reactions of arynes, directed toward straightforward construction of heterocyclic skeletons, by use of 2-(trimethylsilyl)aryl triflates as aryne precursors is reviewed. CHIRAL SYNTHESIS OF IMINOSUGARS [作者：TAKAHATA HIROKI,期刊：Heterocycles, 页码：1351-1376 , 文章类型： Review，,卷期：2012年85-6] An chiral synthesis of iminosugars such as fagomine, 1-deoxynojirimycine, and isofagomine together with their stereoisomers are described. NEW TRITERPENOID SAPONINS FROM STENOCEREUS ERUCA [作者：KAKUTA KAZUTAKA; KOIKE TAKESHI; KINOSHITA KAORU; ITO SATORU; KOYAMA KIYOTAKA; TAKAHASHI KUNIO,期刊：Heterocycles, 页码：1377-1392 , 文章类型： Article，,卷期：2012年85-6] Eight new triterpenoid saponins, stellatosides C (1), D (2), and E (3), stellatoside B methyl ester (4), stellatoside C methyl ester (5), thurberoside A (6), phillyriside A (7), and treleaseside A (8) were isolated from ... EXPEDIENT N-ARYLATION FOR THE SYNTHESIS OF 2-ARYLAMINO-3-CYANOPYRIDINES USING IONIC COPPER(I) COMPLEX AS A CATALYST [作者：ZHANG MIN; XIONG BIAO; WANG TING; WANG XIAOTING; VAN FENGXIA; DING YUQIANG,期刊：Heterocycles, 页码：1393-1404 , 文章类型： Article，,卷期：2012年85-6] The N-arylation of 2-amino-3-cyanopyridines is firstly described by using ionic copper(I) complex (Phen)(2)Cu+BF4- (phen = 1,10-phenanthroline) as an efficient catalyst. The synthetic protocol can be applied to synthesiz... SYNTHESIS OF 5,6-DISUBSTITUTED THIENO[2,3-d]PYRIMIDINES FROM 4-CHLOROPYRIMIDINES [作者：KOBAYASHI KAZUHIRO; SUZUKI TERUHIKO; KOZUKI TAKETOSHI; MATSUMOTO NAOKI; HIYOSHI HIDETAKA; UMEZU KAZUTO,期刊：Heterocycles, 页码：1405-1416 , 文章类型： Article，,卷期：2012年85-6] Facile reaction sequences for the preparation of 5,6-disubstituted thieno[2,3-d]pyrimidines starting with 4-chloropyrimidines have been developed. 4-Chloro-6-methoxypyrimidines were aroylated at the 5-positions via lithi... FACILE AND EFFICIENT CYCLIZATION OF ANTHRANILONITRILE TO 2,4-DICHLOROQUINAZOLINE BY BIS(TRICHLOROMETHYL) CARBONATE AND CATALYTIC AMOUNT TRIPHENYLPHOSPHINE OXIDE [作者：LI ZHENHUA; WU DANLI; ZHONG WEIHUI,期刊：Heterocycles, 页码：1417-1426 , 文章类型： Article，,卷期：2012年85-6] 2,4-Dichloroquinazolines were synthesized by the cyclization of anthranilonitrile using bis(trichloromethyl) carbonate (BTC) with the aid of catalytic amount of triphenylphosphine oxide (Ph3PO) at 120 degrees C. This met... FLORAL PIGMENTS ISOLATED FROM THE SKY-BLUE FLOWERS OF OXYPETALUM CAERULEUM [作者：SAITO NORIO; TOKI KENJIRO; HONDA TOSHIO; TATSUZAWA FUMI,期刊：Heterocycles, 页码：1427-1436 , 文章类型： Article，,卷期：2012年85-6] Three anthocyanins (pigments 1 - 3) were isolated from the sky-blue flowers of Oxypetalum caeruleum 'Caerulea' as the floral anthocyanins. These three anthocyanins were elucidated to be cyanidin 3-O-[2-O-(beta-xylopyrano... IDENTIFICATION OF NEW POLYPRENYL HYDROQUINONE DERIVATIVES FROM TROPICAL MARINE SPONGE IRCINIA SP. [作者：LEE HYISEUNG; LEE YEONJU; LEE JONG WOOK; SHIN HEE JAE; LEE JONG SEOK; KIM KILNAM; YOON WEONJONG; HEO SOOJIN; KIM HYEKYEONG,期刊：Heterocycles, 页码：1437-1446 , 文章类型： Article，,卷期：2012年85-6] Chemical investigations of the tropical marine sponge of the genus Ircinia have resulted in the isolation of three new polyprenyl chromenes (1-3), together with known hydroquinone derivatives (4-9). Their structures were... EFFICIENT SYNTHESIS OF N-SUBSTITUTED 4-ARYLQUINOLINE DERIVATIVES USING ZnCl2 or ZrO2 [作者：ZONOUZI AFSANEH; MIRZAZADEH ROGHIEH; PEIVANDI AZADEH; DEHDARI SHAHRZAD,期刊：Heterocycles, 页码：1447-1455 , 文章类型： Article，,卷期：2012年85-6] N-Substituted 7,8-dihydro-7,7-dimethyl-4-arylquinolin-5 (1H,4H,6H)-ones 4a-1 have been reported by one-pot reaction of cinnamaldehyde derivatives, dimedone and various amines in the presence of ZnCl2 or ZrO2 in fairly hi... IMPROVED SYNTHESIS OF 1-OXO-1,2,3,4-TETRAHYDROACRIDINE-9-CARBOXYLIC ACIDS FROM ISATINS AND 1,3-CYCLOHEXANEDIONE [作者：LV QINGHUA; FANG LIZHEN; LU CHENJUAN; WANGL PENGFEI,期刊：Heterocycles, 页码：1457-1463 , 文章类型： Article，,卷期：2012年85-6] An improved protocol for the preparation of 1-oxo-1,2,3,4-tetrahydroacridine-9-carboxylic acid derivatives via Pfitzinger condensation under acidic conditions is described, it provides a simple one-pot synthetic method f...