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Stereoselective assembly of 3,4-epoxypyrrolines via nucleophilic addition induced domino cyclization of 6-halo-1-oxa-4-azahexatrienes† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-26 Ilia A. Smetanin; Anastasiya V. Agafonova; Nikolai V. Rostovskii; Alexander F. Khlebnikov; Dmitry S. Yufit; Mikhail S. Novikov
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A dienamine-mediated deconjugative addition/cyclization cascade of γ,γ-disubstituted enals with carboxylic acid-activated enones: a rapid access to highly functionalized γ-lactones† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-30 Wei Jiang; Jia Zhou; Ai-Jun Ma; Dongli Li; Yan-Yan Ma; Deng-Gao Zhao; Si-Hua Hou; Jun-Bing Lin; Shu-Yu Zhang
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C–F bond arylation of fluoroarenes catalyzed by Pd0 phosphine complexes: theoretical insight into regioselectivity, reactivity, and prediction of ligands† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-05 Rong-Lin Zhong
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Synthesis and properties of a redox-switchable calix[6]arene-based molecular lasso† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-30 Guido Orlandini; Lorenzo Casimiro; Margherita Bazzoni; Beatrice Cogliati; Alberto Credi; Marco Lucarini; Serena Silvi; Arturo Arduini; Andrea Secchi
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Substrate-directed chemo- and regioselective synthesis of polyfunctionalized trifluoromethylarenes via organocatalytic benzannulation† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-30 Yan-Ling Ji; Xiang-Hong He; Guo Li; Yue-Yan Ai; He-Ping Li; Cheng Peng; Bo Han
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Phomeroids A and B: two novel cytotoxic meroterpenoids from the deep-sea-derived fungus Phomopsis tersa FS441† Org. Chem. Front. (IF 5.076) Pub Date : 2020-01-09 Shanchong Chen; Zhaoming Liu; Haibo Tan; Yuchan Chen; Saini Li; Haohua Li; Shuang Zhu; Hongxin Liu; Weimin Zhang
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Phenanthroline-strapped calix[4]pyrroles: anion receptors displaying affinity reversal as a function of solvent polarity† Org. Chem. Front. (IF 5.076) Pub Date : 2020-01-02 Nam Jung Heo; Ju Hyun Oh; Jeong Tae Lee; Qing He; Jonathan L. Sessler; Sung Kuk Kim
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Bistachybotrysins L–V, bioactive phenylspirodrimane dimers from the fungus Stachybotrys chartarum† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-26 Jimei Liu; Xiaona Jia; Jinlian Zhao; Jiamin Feng; Minghua Chen; Ridao Chen; Kebo Xie; Dawei Chen; Yan Li; Dan Zhang; Ying Peng; Shuyi Si; Jungui Dai
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Synthesis of unsymmetrical diarylmethanols via C–Si bond bifunctionalization enabled by sequential [1,4]-Csp2 to O-silyl migration† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-19 Tianbao Hu; Liying Huang; Lu Gao; Zhenlei Song
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Efficient labeling of organic molecules using 13C elemental carbon: universal access to 13C2-labeled synthetic building blocks, polymers and pharmaceuticals† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-19 Maria S. Ledovskaya; Vladimir V. Voronin; Konstantin S. Rodygin; Valentine P. Ananikov
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Visible-light-promoted acridine red catalyzed aerobic oxidative decarboxylative acylation of α-oxo-carboxylic acids with quinoxalin-2(1H)-ones† Org. Chem. Front. (IF 5.076) Pub Date : 2020-01-03 Pengli Bao; Fei Liu; Yufen Lv; Huilan Yue; Jiang-Sheng Li; Wei Wei
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Rotaxanes comprising cyclic phenylenedioxydiacetamides and secondary mono- and bis-dialkylammonium ions: effect of macrocyclic ring size on pseudorotaxane formation† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-23 Takanori Nakamura; Yuka Mori; Masaya Naito; Yukari Okuma; Shinobu Miyagawa; Hikaru Takaya; Tsuneomi Kawasaki; Yuji Tokunaga
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Cyclocondensation of coumarin-3-thioformates with 3-hydroxyoxindoles and 3-aminooxindoles for the synthesis of spiro-fused pentaheterocyclic compounds† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-23 Chuan-Wen Lei; Chuan-Bao Zhang; Zhen-Hua Wang; Ke-Xin Xie; Jian-Qiang Zhao; Ming-Qiang Zhou; Xiao-Mei Zhang; Xiao-Ying Xu; Wei-Cheng Yuan
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Domino synthesis of fully substituted pyridines by silver-catalyzed chemoselective hetero-dimerization of isocyanides† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-23 Zhongyan Hu; Mingyue Zhang; Qinghua Zhou; Xianxiu Xu; Bo Tang
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Copper-catalyzed synthesis of trifluoromethylated bis(indolyl)arylmethanes from 2-arylindoles and 2,2,2-trifluoroacetohydrazide† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-19 Zihang Yuan; Shouxiong Chen; Zhiqiang Weng
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A novel route to unsymmetrical disubstituted ureas and thioureas by HMPA catalyzed reductive alkylation with trichlorosilane† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-16 Xiaoyun Ran; Yan Long; Sheng Yang; Changjiang Peng; Yuanyuan Zhang; Shan Qian; Zhenju Jiang; Xiaomei Zhang; Lingling Yang; Zhouyu Wang; Xiaoqi Yu
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Transition-metal-free synthesis of CMe2CF3-containing chroman-4-ones via decarboxylative trifluoroalkylation† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-12 Miao-Chang Liu; Wei Liu; Hua-Yue Wu; Yun-Bing Zhou; Qiuping Ding; Yiyuan Peng
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Wilsonglucinols A–C, homoadamantane-type polycyclic polyprenylated acylphloroglucinols with unusual fused epoxy ring skeletons from Hypericum wilsonii† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-17 Shuangshuang Xie; Changxing Qi; Yulin Duan; Xincai Hao; Yi Guo; Mengyi Deng; Yuben Qiao; Zhengyi Shi; Li Tao; Yunfang Cao; Lianghu Gu; Yuan Zhou; Yonghui Zhang
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Self-assembly of azaphthalocyanine–oligodeoxynucleotide conjugates into J-dimers: towards biomolecular logic gates† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-13 Jiri Demuth; Miroslav Miletin; Radim Kucera; Ales Ruzicka; Zuzana Havlinova; Antonin Libra; Veronika Novakova; Petr Zimcik
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Synthesis of 2,3,4-trisubstituted pyrrole derivatives via [3 + 2] cyclization of activated methylene isocyanides with 4-(arylidene)-2-substituted oxazol-5(4H)-ones† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-19 Jing Zhang; Man Liu; Chao Li; Yan-Jun Xu; Lin Dong
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Zinc(ii)-mediated diastereoselective Passerini reactions of biocatalytically desymmetrised renewable inputs† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-17 Lisa Moni; Luca Banfi; Daniele Cartagenova; Andrea Cavalli; Chiara Lambruschini; Elisa Martino; Romano V. A. Orru; Eelco Ruijter; Jordy M. Saya; Jacopo Sgrignani; Renata Riva
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Solvent-controlled assembly of pillar[5]arene-based supramolecular networks via π–π interactions for white light modulation† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-13 Qi Li; Yuezhou Liu; Peiren Liu; Liqing Shangguan; Huangtianzhi Zhu; Bingbing Shi
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Cu(ii)-Catalyzed formal [4 + 2] cycloaddition between quinone methides (QMs) and electron-poor 3-vinylindoles† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-12 Hong-Ming Huang; Xu-Yan Wu; Bo-Rong Leng; Yi-Long Zhu; Xin-Chao Meng; Yu Hong; Bo Jiang; De-Cai Wang
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Copper-catalysed oxidative α-C(sp3)–H nitroalkylation of (hetero)arene-fused cyclic amines† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-12 Xiu Li; He Zhao; Xiuwen Chen; Huanfeng Jiang; Min Zhang
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Aromaticity and tautomerism of a 4n π electron dihydrohexaazapentacene† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-06 Chun-Lin Sun; Xiao-E Luo; Huan Xu; Qi-Wei Song; Zhi-Ping Fan; Xiao-Zhen Wang; Jing-Jing Cao; Zi-Fa Shi; Hao-Li Zhang
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Cascade cyclization reactions of alkylidenecyclopropanes for the construction of polycyclic lactams and lactones by visible light photoredox catalysis† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-10 Mintao Chen; Yin Wei; Min Shi
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Spiroetherones A and B, sesquiterpene naphthoquinones, as angiogenesis inhibitors from the marine sponge Dysidea etheria† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-09 Wei-Hua Jiao; Qi-Hang Xu; Jie Cui; Ru-Yi Shang; Yun Zhang; Jia-Bao Sun; Qi Yang; Ke-Chun Liu; Hou-Wen Lin
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Trifluoroacetimidoyl halides: a potent synthetic origin Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-02 Zhengkai Chen; Sipei Hu; Xiao-Feng Wu
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Enantioselective synthesis of chiral multicyclic γ-lactones via dynamic kinetic resolution of racemic γ-keto carboxylic acids† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-25 Zhichao Xiong; Jiangyan Tian; Peng Xue; Xumu Zhang; Hui Lv
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Practical fluorothiolation and difluorothiolation of alkenes using pyridine-HF and N-thiosuccinimides† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-22 Shiwen Liu; Xiaojun Zeng; Bo Xu
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Recent advances in the synthesis of indoles from alkynes and nitrogen sources Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-22 José Sebastião Santos Neto; Gilson Zeni
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Rhodium-catalyzed homodimerization–cyclization reaction of two vinyl isocyanides: a general route to 2-(isoquinolin-1-yl)oxazoles† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-22 Zhuo Wang; Xiang-He Meng; Pei Liu; Wan-Ying Hu; Yu-Long Zhao
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Transition-metal-free direct C-3 cyanation of quinoxalin-2(1H)-ones with ammonium thiocyanate as the “CN” source† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-19 Jiayang Wang; Bin Sun; Liang Zhang; Tengwei Xu; Yuanyuan Xie; Can Jin
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One-pot generation of benzynes from 2-aminophenylboronates via a Rh(ii)-catalyzed N–H amination/oxidation/elimination cascade process† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-18 Motoki Ito; Arisa Tanaka; Keiju Hatakeyama; Emi Kano; Kazuhiro Higuchi; Shigeo Sugiyama
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Ni-Catalyzed electrophile driven regioselective arylative cyclization of ortho-functional diaryl acetylenes for the synthesis of pyridine and indene derivatives† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-18 Maneesh Kumar Reddy Singam; Attunuri Nagireddy; Manda Rajesh; Veeramalla Ganesh; Maddi Sridhar Reddy
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Asymmetric total synthesis of nodulisporiviridin E† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-18 Yang Ji; Zhengyuan Xin; Yingbo Shi; Haibing He; Shuanhu Gao
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Ag-Catalyzed cycloisomerization of 1,6-enynamide: an intramolecular type II Alder-ene reaction† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-18 Mei-Hua Shen; Yu-Mei Zhang; Chun Jiang; Hua-Dong Xu; Defeng Xu
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Total syntheses of (−)-15-oxopuupehenol and (+)-puupehenone and formal syntheses of (−)-puupehenol and (+)-puupehedione† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-15 Huayue Song; Lin Liu; Mingyang Yang; Guangmiao Wu; Peng Chen; Xingang Xie; Xuegong She
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PhI(OAc)2-mediated oxidative rearrangement of allylic amides: efficient synthesis of oxazoles and β-keto amides† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-15 Kang Xu; Shuang Yang; Zhenhua Ding
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A diastereoselective approach to amino alcohols and application for divergent synthesis of dolastatin 10† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-13 Xiao-Di Nie; Zhuo-Ya Mao; Wen Zhou; Chang-Mei Si; Bang-Guo Wei; Guo-Qiang Lin
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Recent advances in the total synthesis of cyclobutane-containing natural products Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-12 Jinshan Li; Kai Gao; Ming Bian; Hanfeng Ding
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One pot synthesis of pyrrolo[3,2,1-de]phenanthridines from 7-phenylindoles via tandem C–H olefination/aza-Michael addition† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-07 Yumeng Yuan; Guoshuai Pan; Xiaofeng Zhang; Qiufeng Huang
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Metal-free insertion of sulfur dioxide with aryl iodides under ultraviolet irradiation: direct access to sulfonated cyclic compounds† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-06 Shengqing Ye; Kaida Zhou; Pornchai Rojsitthisak; Jie Wu
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Azidofluoromethane: synthesis, stability and reactivity in [3 + 2] cycloadditions† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-05 Svatava Voltrová; Josef Filgas; Petr Slavíček; Petr Beier
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Cobalt(iii)-catalyzed ketone-directed C–H vinylation using vinyl acetate† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-01 Md Raja Sk; Modhu Sudan Maji
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Merging photochemistry with electrochemistry in organic synthesis† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-01 Yi Yu; Peng Guo; Jun-Song Zhong; Yaofeng Yuan; Ke-Yin Ye
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Cu-catalyzed C–N bond cleavage of 3-aminoindazoles for the C–H arylation of enamines† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-01 Yao Zhou; Ya Wang; Zhiyi Song; Tamaki Nakano; Qiuling Song
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Modified diterpenoids from the tuber of Icacina oliviformis as protein tyrosine phosphatase 1B inhibitors† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-10 Junfei Zhou; Zhenlong Wu; Brian Guo; Meng Sun; Monday M. Onakpa; Guangmin Yao; Ming Zhao; Chun-Tao Che
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(4 + 3) cycloadditions of allenyl ether-derived oxygen-stabilized oxyallyls with furans† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-09 Xian Huang; Waygen Thor; Xiangyu Feng; Liangliang Kang; Min Yang; Chi-Sing Lee; Yuen-Kit Cheng; Shuzhong He
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“In situ immobilization” of a multicomponent chiral catalyst (MCC) via non-covalent interactions for heterogeneous asymmetric hydrogenation reactions† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-05 Er-Jun Hao; Gong-Xin Li; Zhen-Zhen Lv; Fu-Sheng Li; Yu-Qing Chen; Shuang-Jie Lin; Cai-Zhe Shi; Lei Shi
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Diversity-oriented approach to functional thiophene dyes by Suzuki coupling-lithiation one-pot sequences† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-04 Lars May; Sven Daniel; Thomas J. J. Müller
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K2S2O8-promoted direct thiocyanation of pyrazolin-5-ones with ammonium thiocyanate at room temperature† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-03 Xiaokang Mao; Jiabin Ni; Bin Xu; Chunyong Ding
A facile and efficient approach for the direct thiocyanation of pyrazolin-5-ones via a radical mechanism has been established for the first time. A series of 4-thiocyanated 5-hydroxy-1H-pyrazoles were synthesized in fair to good yields by K2S2O8-promoted direct thiocyanation of pyrazolin-5-ones with NH4SCN at room temperature under simple and mild reaction conditions with atom- and step-economy and good functional group tolerance.
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The enantioselective construction of trifluoromethylated quaternary stereocenters via the Rh-catalyzed asymmetric dehydrated arylation of unprotected hemiaminals† Org. Chem. Front. (IF 5.076) Pub Date : 2019-11-28 Yu-Tuo Sun; Dong-Xing Zhu; Xiaofeng Rao; Ming-Hua Xu
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Pd-Catalyzed highly selective and direct ortho C–H arylation of pyrrolo[2,3-d]pyrimidine derivatives† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-02 Jing Zhou, Zhengtong Mao, Haokun Pan, Xingxian Zhang
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Iron-catalyzed three-component intermolecular trifluoromethyl-acyloxylation of styrenes with NaSO2CF3 and benzoic acids† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-02 Rui Xu, Chun Cai
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Nickel(ii)-catalyzed C–C, N–C cascade coupling of ketonitriles into substituted pyrroles and pyridines† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-06 Qianqian Zhen, Renhao Li, Linjun Qi, Kun Hu, Xinrong Yao, Yinlin Shao, Jiuxi Chen
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An asymmetric multicatalytic reaction sequence of 2-hydroxycinnamaldehydes and enolic 1,3-dicarbonyl compounds to construct bridged bicyclic acetals† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-02 Xiao-Qian Zhang, Xue-Jiao Lv, Jun-Ping Pei, Rui Tan, Yan-Kai Liu
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Cyclamenols E and F, two diastereoisomeric bicyclic macrolactams with a cyclopentane moiety from an Antarctic Streptomyces species† Org. Chem. Front. (IF 5.076) Pub Date : 2019-12-02 Jingjing Shen, Jie Wang, Hao Chen, Yi Wang, Weiming Zhu, Peng Fu
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