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chemistry, organic (32) 32
bu3snh (31) 31
cyclization (15) 15
chemistry, multidisciplinary (14) 14
imidazoles (13) 13
pyrroles (13) 13
n-bu3snh (10) 10
snh (10) 10
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reduction (4) 4
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-bu-n (2) 2
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tert-butylmercury halides (2) 2
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'' bu3snh (1) 1
-h-2-et3b (1) 1
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1,6 michael addition (1) 1
1-aza-4,6-adamantanedione derivatives, synthesis (1) 1
1-diethoxyphosphoryl-alkan-1,-2- and -3-yl radicals (1) 1
1-diethoxyphosphoryl-alkan-1,-2-and -3-yl radicals (1) 1
1-phosphonyl (1) 1
13319-71-6 (1) 1
14395-53-0 (1) 1
14847-51-9 (1) 1
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Angewandte Chemie International Edition, ISSN 1433-7851, 05/2011, Volume 50, Issue 22, pp. 5018 - 5022
A radical outlook: Recently published “organocatalytic CH activation reactions” have now been interpreted as base‐promoted homolytic substitutions. The... 
organocatalysis | CH activation | homolytic radical substitutions | aryl radicals | radical anions | C-H activation | SILYLATED CYCLOHEXADIENES | BOND FORMATION | PROMOTED AROMATIC ALKYLATIONS | UNACTIVATED ARENES | BU3SNH | TRANSITION-METALS | CHEMISTRY, MULTIDISCIPLINARY | CYCLIZATIONS | ARYL HALIDES | SUBSTITUTION REACTIONS | CATALYZED DIRECT ARYLATION
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 10/2006, Volume 128, Issue 42, pp. 13706 - 13707
Inter- and intramolecular additions of aryl radicals derived from aryl iodides to arenes are promoted by tris(trimethylsilyl)silane and occur under... 
HALIDES | RATE CONSTANTS | BU3SNH | AROMATIC-SUBSTITUTION | CHEMISTRY, MULTIDISCIPLINARY | INTRAMOLECULAR REACTIONS | 2-INDOLYLACYL RADICALS | CYCLIZATION | Aromatic compounds | Chemical properties | Electric properties
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 12/2003, Volume 43, Issue 1, pp. 95 - 98
The fate of intermediate π radicals is crucial in Bu3SnH‐mediated cyclization by homolytic aromatic substitution, for example, of bromo compound 1 via radical... 
radical reactions | reaction mechanisms | radicals | cyclization | azo compounds | Azo compounds | Cyclization | Radical reactions | Reaction mechanisms | Radicals | TRANSLOCATION | RADICAL CYCLIZATION | GENERATION | PYRROLES | BU3SNH | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Synthesis, ISSN 0039-7881, 11/2012, Volume 44, Issue 21, pp. 3371 - 3377
Abstract Photochemical five-, six-, and seven-membered cyclizations from 2-iodo-1-(ω-arylalkyl)-1 H -benzimidazoles are described. This method of producing... 
paper | radical reaction | nucleophilic aromatic substitution | diazoles | heterocycles | cyclization | AZOLES | HOMOLYTIC SUBSTITUTION | INDOLE | CHEMISTRY, ORGANIC | IMIDAZOLES | BU3SNH
Journal Article
Chemical Communications, ISSN 1359-7345, 09/2003, Volume 9, Issue 18, pp. 2316 - 2317
Novel and efficient radical alkylation of several heterocyclic systems including pyrroles, indoles, furan and thiophenes is described using xanthate based... 
HOMOLYTIC SUBSTITUTION | ACIDS | PYRROLES | AGENTS | BU3SNH | IMIDAZOLES | CHEMISTRY, MULTIDISCIPLINARY | CYCLIZATION | INDOLES
Journal Article
Tetrahedron, ISSN 0040-4020, 08/2008, Volume 64, Issue 33, pp. 7745 - 7758
Alkyl radicals have been cyclised onto pyrroles, imidazoles and pyrazoles, and acyl radicals cyclised onto pyrroles, using Bu SnH-, (TMS) SiH- and Bu... 
Homolytic aromatic substitution | Radical cyclisation | SnH | Imidazole | Pyrazole | Pyrrole | Bu3SnH | imidazole | SOLID-PHASE SYNTHESIS | pyrazole | CHEMISTRY, ORGANIC | PYRROLES | IMIDAZOLES | radical cyclisation | 1-(2-IODOETHYL)INDOLES | INTRAMOLECULAR REACTIONS | pyrrole | homolytic aromatic substitution | HETEROARENES | WITHASOMNINE | ELLIPTICINE | DERIVATIVES | 2-INDOLYLACYL RADICALS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2007, Volume 48, Issue 26, pp. 4515 - 4518
It is reported that the intermolecular oxidative radical substitution on 3-substituted pyrroles gives the 2,3-disubstituted pyrroles in a highly regioselective... 
SUBSTITUTION | CHEMISTRY, ORGANIC | SYSTEMS | IMIDAZOLES | BU3SNH | 1-(2-IODOETHYL)INDOLES | ADDITION/CYCLIZATION | METHYL ACRYLATE | EFFICIENT | CYCLIZATION | INDOLES
Journal Article
Synthetic Communications, ISSN 0039-7911, 02/2014, Volume 44, Issue 3, pp. 417 - 423
An efficient free radical-mediated intramolecular cyclization strategy has been developed for the synthesis of 3-aryl-5-chloroindan-1-ones. Variously... 
free radicals | AIBN | SnH | intramolecular cyclization | enone | ASYMMETRIC-SYNTHESIS | Bu3SnH | CHIRAL 3-SUBSTITUTED INDANONES | CHEMISTRY, ORGANIC | n
Journal Article
Organic Letters, ISSN 1523-7060, 10/2008, Volume 10, Issue 19, pp. 4383 - 4386
Reductive cyclization of epoxides tethered to substituted anilines and aminopyridines in the presence of 3 mol % of titanocene dichloride and stoichiometric... 
ORGANIC-SYNTHESIS | EPOXIDES | MECHANISM | RING | RADICAL CYCLIZATION | CHEMISTRY, ORGANIC | GENERATION | BU3SNH | HOMOLYTIC AROMATIC-SUBSTITUTION | ALKALOIDS | Cyclization | Oxidation-Reduction | Aza Compounds - chemical synthesis | Aza Compounds - chemistry | Indoles - chemical synthesis | Organometallic Compounds - chemistry | Catalysis
Journal Article
Synthetic Communications, ISSN 0039-7911, 01/2014, Volume 44, Issue 2, pp. 267 - 274
A novel methodology has been devised for the chemoselective reduction of enones involving the use of n Bu 3 SnH and azobisisobutyronitrile. The 1,4-reduction... 
chemoselectivity | SET mechanism | AIBN | SnH | reduction | enone | (Bu3SnH)-Bu-n | ALPHA,BETA-UNSATURATED KETONES | CONJUGATE REDUCTION | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | ALDEHYDES | SODIUM DITHIONITE | HYDRIDE
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 05/2004, Volume 69, Issue 11, pp. 4001 - 4004
Efficient radical cyclization of alkyl iodides to various aromatic systems including pyrrole, indole, isoquinolone, pyridone, and benzene, mediated by dicumyl... 
OXIDATION | ETHERS | CE(IV) | HETEROCYCLES | CHEMISTRY, ORGANIC | PYRROLES | BU3SNH | IMIDAZOLES | MN(III) ACETATE | ALKYNES | Chemistry, Organic | Research | Chemical properties | Aromatic compounds
Journal Article
Tetrahedron, ISSN 0040-4020, 2005, Volume 61, Issue 10, pp. 2689 - 2696
2-(2-Bromophenyl)ethyl groups have been used as building blocks in radical cyclisation reactions onto azoles to synthesise tri- and tetra-cyclic heterocycles.... 
Heterocycles | Azoles | Aryl radicals | Radical cyclisation | Building blocks | SUBSTITUTION | QUINOLINES | CHEMISTRY, ORGANIC | PYRROLES | IMIDAZOLES | BU3SNH | radical cyclisation | INDOLES | aryl radicals | azoles | heterocycles | HETEROCYCLE SYNTHESIS | CONSTRUCTION | building blocks | ADDITIONS | 2-BROMOBENZOIC ACIDS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 10/2001, Volume 42, Issue 44, pp. 7887 - 7890
Synthetically useful [1,2-a]-fused pyrroles, e.g. 2,3-dihydro-1H-pyrrolizidines substituted in the 1- and 7-positions, have been generated by acyl radical... 
Acyl radicals | Acyl selenides | Radical cyclisation | Tributyltin hydride | Heteroarenes | tributyltin hydride | heteroarenes | acyl radicals | acyl selenides | CHEMISTRY, ORGANIC | BU3SNH | IMIDAZOLES | radical cyclisation | CYCLIZATION | Tributylin | Tributyltin
Journal Article
Tetrahedron, ISSN 0040-4020, 2006, Volume 62, Issue 18, pp. 4306 - 4316
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2000, Volume 41, Issue 46, pp. 8951 - 8955
The regiochemistry of cyclisation of an aryl radical on to a pyrrole is shown to depend on the N-substituent of the pyrrole. Changing this substituent allows... 
MARTINELLINE | TRIBUTYLTIN HYDRIDE | FORMAL SYNTHESIS | DOUBLE-BONDS | CHEMISTRY, ORGANIC | 4,5-DIOXOAPORPHINE PONTEVEDRINE | TIN HYDRIDE | INHIBITORS | BU3SNH | INTRAMOLECULAR ADDITION | CYCLIZATION
Journal Article
Tetrahedron, ISSN 0040-4020, 2007, Volume 63, Issue 1, pp. 191 - 203
Amides have been successfully used as precursors of imidoyl radicals for radical cyclisation. The amides have been converted to imidoyl selanides via reaction... 
Quinolines | Radical cyclisation | Imidoyl selanides | Indoles | Imidoyl radicals | ANNULATIONS | imidoyl selanides | CHEMISTRY, ORGANIC | CASCADE | PYRROLES | BU3SNH | radical cyclisation | AROMATIC-SUBSTITUTION | indoles | FUSED QUINOLINES | ARYL RADICALS | imidoyl radicals | ALKENYL | 2,3-DISUBSTITUTED INDOLES | quinolines | HETEROCYCLIC-COMPOUNDS | Azo compounds | Amides | Tributyltin | Persistent organic pollutants | Tributylin
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2006, Volume 47, Issue 3, pp. 381 - 383
A range of 5-azaoxindoles have been synthesised employing homolytic aromatic substitution onto pyridine as the pivotal step. A range of 5-azaoxindoles have... 
5-Azaoxindoles | Homolytic aromatic substitution | Pyridine | Radical cyclisation | homolytic aromatic substitution | ROUTE | 5-azaoxindoles | pyridine | OXINDOLES | CHEMISTRY, ORGANIC | BU3SNH | radical cyclisation | CYCLIZATION
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2007, Volume 48, Issue 17, pp. 3105 - 3108
Synthesis of dihydronaphthalene derivatives was carried out by allyltributylstannane-mediated vinyl radical cyclization as the key step from... 
Radical cyclization | n-Bu 3SnH | Baylis–Hillman adducts | Dihydronaphthalene | Allyltributylstannane | n-Bu | Baylis-Hillman adducts | SnH | ALKENES | radical cyclization | allyltributylstannane | METHYL | CHEMISTRY, ORGANIC | STEREOSELECTIVE-SYNTHESIS | dihydronaphthalene | n-Bu3SnH | CHLORIDE
Journal Article
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