Regioselective unusual formation of spirocyclic 4‐{3′‐benzo(2′,3′‐dihydro)furo}‐9‐methyl‐2,3,9‐trihydrothiopyrano [2,3‐b]indole by acid‐catalyzed reaction of enol ethers

[1]  D. Faulkner,et al.  Marine natural products. , 2000, Natural product reports.

[2]  C. Moody,et al.  The synthetic challenge of diazonamide A, a macrocyclic indole bis-oxazole marine natural product. , 2008, Natural product reports.

[3]  D. Hoffmeister,et al.  Natural products of filamentous fungi: enzymes, genes, and their regulation. , 2007, Natural product reports.

[4]  K. C. Majumdar,et al.  Regioselective unusual formation of spirocyclic 4-{2'-benzo(2',3'-dihydro)furo}- 9-methyl-2,3,9-trihydrothiopyrano[2,3-b]indole by 4-exo-trig aryl radical cyclization and rearrangement. , 2006, Organic letters.

[5]  S. O’Connor,et al.  Chemistry and biology of monoterpene indole alkaloid biosynthesis. , 2006, Natural product reports.

[6]  S. Alam,et al.  Regioselective synthesis of thieno[2,3-b]indoles by tandem cyclisation involving sequential sigmatropic rearrangements , 2006 .

[7]  K. C. Majumdar,et al.  Regioselective Synthesis of Thieno[3,2-β]Indole by Tandem Cyclization of 1-Acetyl-3-(4-Aryloxybut-2-Ynylthio)Indole (Experimental Section) , 2006 .

[8]  M. Hamann,et al.  Indole alkaloid marine natural products: An established source of cancer drug leads with considerable promise for the control of parasitic, neurological and other diseases , 2005, Life Sciences.

[9]  K. C. Majumdar,et al.  Regioselective synthesis of quinolone-annulated sulfur heterocycles by aryl radical cyclization , 2005 .

[10]  Jonathan C. Morris,et al.  Marine natural products: synthetic aspects. , 2005, Natural product reports.

[11]  P. K. Basu,et al.  Formation of Five- and Six-Membered Heterocyclic Rings under Radical Cyclization Conditions , 2004 .

[12]  Ana M. Martin Castro,et al.  Claisen rearrangement over the past nine decades. , 2004 .

[13]  L. Overman,et al.  The asymmetric intramolecular Heck reaction in natural product total synthesis. , 2003, Chemical reviews.

[14]  K. C. Majumdar,et al.  Regioselective synthesis of pentacyclic heterocycles by sequential [3,3] sigmatropic rearrangement of 2-(4′-aryloxybut-2′-ynyl-mercapto)thiochromen-4-ones , 2003 .

[15]  H. Tamiaki,et al.  Synthesis of homologously pure bacteriochlorophyll-e and f analogues from BChls-c/d via transformation of the 7-methyl to formyl group and self-aggregation of synthetic zinc methyl bacteriopheophorbides-c/d/e/f in non-polar organic solvent , 2003 .

[16]  K. C. Majumdar,et al.  Studies in pyrimidine-annulated heterocycles: unusual formation of spiroheterocyclic compounds from acid catalyzed reaction of enol ether , 2003 .

[17]  Yoshinori Yamamoto,et al.  A bimetallic catalyst and dual role catalyst: synthesis of N-(alkoxycarbonyl)indoles from 2-(alkynyl)phenylisocyanates. , 2003, The Journal of organic chemistry.

[18]  K. C. Majumdar,et al.  Studies on triacetic acid lactone-annulated heterocycles: synthesis of 3-aryloxyacetyl-6-methyl-2,3-dihydrothieno[3,2-c]pyran-4-ones by tandem cyclization , 2002 .

[19]  K. C. Majumdar,et al.  Studies in sigmatropic rearrangement: synthesis of a [6,6]pyranothiopyran ring system by sequential claisen rearrangement and pyridine hydrotribromide mediated regioselective "6-Endo" cyclization. , 2002, Organic letters.

[20]  C. Escolano,et al.  Aryl radical cyclisation onto pyrroles: a divergent synthesis of spiropyrrolidinyloxindoles and pyrroloquinolines , 2000 .

[21]  Yoshihisa Kobayashi,et al.  Stereocontrolled Total Synthesis of (+)-K252a , 1999 .

[22]  Y. Hashimoto,et al.  Deoxyribonucleic acid modification by mutagenic 3-amino-1-methyl-5H-pyrido[4,3-b]indole: the chemical events. , 1984, Chemical & pharmaceutical bulletin.

[23]  T. Kameyama,et al.  Furo[3,2-b]indole derivatives. I. Synthesis and analgesic and anti-inflammatory activities of 4,6-disubstituted-furo[3,2-b]indole-2-carboxamide derivatives. , 1984, Chemical & pharmaceutical bulletin.

[24]  Y. Makisumi,et al.  Studies on Fused Indoles. I. Novel Synthesis of 4-Aminomethyltetrahydrothiopyrano [2, 3-b] indoles through a Thio-Claisen Rearrangement , 1984 .

[25]  H. Hatakeyama,et al.  Studies on fused indoles. II. Structural modifications and analgesic activity of 4-aminomethyltetrahydrothiopyrano[2,3-b]indoles. , 1984, Chemical & pharmaceutical bulletin.

[26]  M. Shimizu,et al.  Stereochemistry of methyl 2-benzyl-3-methoxycarbonyl-9-methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole-1-propionate , 1984 .

[27]  N. Aimi,et al.  THE PREPARATION OF 14-HYDROXYLATED YOHIMBINE AND RESERPINE DERIVATIVES , 1984 .

[28]  K. Shudo,et al.  SYNTHESIS OF OPTICALLY ACTIVE TELEOCIDIN DERIVATIVES. ABSOLUTE CONFIGURATION OF TELEOCIDIN B AND OLIVORETIN A , 1984 .

[29]  A. Itai,et al.  ELUCIDATION OF THE STRUCTURE OF OLIVORETIN A AND D (TELEOCIDIN B) , 1984 .

[30]  E. Corey,et al.  Synthesis of Vane's prostaglandin X, 6,9alpha-oxido9alpha,15alpha-dihydroxyprosta-(Z)5,(E)13-dienoic acid. , 1977, Journal of the American Chemical Society.

[31]  R. A. Johnson,et al.  The chemical structure of prostaglandin X (prostacyclin). , 1976, Prostaglandins.

[32]  K. Koike,et al.  Studies on the constituents of Ailanthus altissima Swingle. III: The alkaloidal constituents , 1976 .

[33]  T. Fueno,et al.  Structure and Reactivity of α,β-Unsaturated Ethers. X. The Acid-Catalyzed Hydrolysis of Ring-Substituted Styryl Ethyl Ethers , 1970 .

[34]  R. D. Bertrand,et al.  Phosphorus-31 chemical shifts of isostructural and isoelectronic trialkyl phosphite metal complexes , 1967 .

[35]  S. Hünig,et al.  The Chemistry of Diimine , 1965 .

[36]  T. Fife VINYL ETHER HYDROLYSIS. THE FACILE GENERAL ACID CATALYZED CONVERSION OF 2-ETHOXY-1-CYCLOPENTENE-1-CARBOXYLIC ACID TO CYCLOPENTANONE. , 1965, Journal of the American Chemical Society.

[37]  N. Bergman,et al.  EVIDENCE FOR INTRAMOLECULAR ELECTROSTATIC CATALYSIS AS A POSSIBLE MECHANISM IN THE HYDROLYSIS OF VINYL ETHERS IN AQUEOUS SOLUTION , 1991 .

[38]  T. Halvarsson,et al.  Intramolecular electrostatic catalysis in the hydrolysis of a bicyclic vinyl ether , 1989 .

[39]  N. Sakabe The x-ray analysis of one racemic stereoisomer of deacetylaspidospermine. , 1969, Tetrahedron letters.

[40]  A. Kresge,et al.  The hydrolysis of ethyl vinyl ether. Part I. Reaction mechanism , 1967 .