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chemistry, organic (36) 36
chemistry, inorganic & nuclear (22) 22
tricarbonyliron (15) 15
iron (14) 14
organic-synthesis (13) 13
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chemistry (9) 9
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metal-pentadienyl (7) 7
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pentadienyl (5) 5
chemistry, multidisciplinary (4) 4
cyclization (4) 4
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organometallic chemistry (4) 4
pentadienyl cation (4) 4
regioselectivity (4) 4
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asymmetric synthesis (3) 3
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1,2-migration (2) 2
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siloxy-substituted diene (2) 2
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Current Organic Chemistry, ISSN 1385-2728, 09/2010, Volume 14, Issue 15, pp. 1561 - 1577
Pentadienyl cation electrocyclizations have played key roles in the syntheses of many complex organic molecules. Herein, theoretical studies on the mechanisms... 
Electrocyclization | Carbocation | Quantum chemistry | Nazarov | Pentadienyl | AZA-NAZAROV REACTION | MECHANISM | VINYL ALLENE OXIDE | quantum chemistry | CHEMISTRY, ORGANIC | SYNTHETIC APPROACH | TORQUOSELECTIVITY | REARRANGEMENT | carbocation | SUBSTITUENT | TRANSITION STRUCTURES | STEREOSELECTIVE-SYNTHESIS | electrocyclization | CYCLIZATION
Journal Article
Tetrahedron, ISSN 0040-4020, 07/2017, Volume 73, Issue 30, pp. 4493 - 4500
Journal Article
Organometallics, ISSN 0276-7333, 10/2007, Volume 26, Issue 22, pp. 5295 - 5303
The title cations (9 and 12) were prepared by dehydration of (3-methyl-2,4-pentadien-1-ol)Fe(CO)2L+ complexes. The structure of the (CO)2PPh3-ligated 12 was... 
(PENTADIENYL)IRON(1+) CATIONS | NATURAL-PRODUCT | TRANSITION-METAL COMPLEXES | ASYMMETRIC INDUCTION | DIENE-MOLYBDENUM | CYCLOHEXENONES | CHEMISTRY, ORGANIC | IRON | NUCLEAR MAGNETIC-RESONANCE | NUCLEOPHILIC-ADDITION | TETRAFLUOROBORATE | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 11/2017, Volume 15, Issue 44, pp. 9255 - 9274
The construction of five-membered rings is essential in organic chemistry. In this context, pentannulation reactions that provide a straightforward access to... 
AZA-PIANCATELLI REARRANGEMENT | ANTIFUNGAL MICONAZOLE ACTIVITY | CONJUGATED TRIENONES | CATION ELECTROCYCLIZATIONS | CONCISE TOTAL-SYNTHESIS | ONE-POT SYNTHESIS | CHEMISTRY, ORGANIC | METAL-CATALYZED CYCLOISOMERIZATIONS | ELECTROCYCLIC RING-CLOSURE | STEREOSELECTIVE-SYNTHESIS | UNPRECEDENTED REARRANGEMENT
Journal Article
Journal of Organometallic Chemistry, ISSN 0022-328X, 2004, Volume 689, Issue 9, pp. 1437 - 1443
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 07/2003, Volume 44, Issue 31, pp. 5909 - 5912
Two nucleophilic allylic organozirconium compounds 9-10 (R : Me and tBu) have been reacted with acyclic isolated η -pentadienyl-Fe(CO) /Fe(CO) PPh (+1) cations... 
Fe(CO) | (+1) cations | PPh | Carbon-carbon bond formation | pentadienyl)Fe(CO | Organozirconium compounds
Journal Article
Journal of Organometallic Chemistry, ISSN 0022-328X, 2001, Volume 630, Issue 1, pp. 5 - 10
The reaction of acyclic tricarbonyl(pentadienyl)iron(1+) cations with allyl trimethylsilane or with excess furan leads to ( E, E-diene)iron complexes. Attack... 
Dienyl | Carbonyl iron complexes | Nucleophilic attack | carbonyl iron complexes | nucleophilic attack | TRICARBONYL(PENTADIENYL)IRON(1+) CATIONS | COMPLEXES | CHEMISTRY, ORGANIC | dienyl | PENTADIENYLIRON TRICARBONYL CATIONS | SKELETONS | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
Journal of Organometallic Chemistry, ISSN 0022-328X, 1997, Volume 539, Issue 1, pp. 87 - 98
The reaction of six 1-substituted (pentadienyl)iron cations ( 1–6) with malonate anions was examined. The electronic nature of substituents present on the... 
Diene complexes | Iron | (PENTADIENYL)IRON(1+) CATIONS | ORGANIC-SYNTHESIS | K EE CHEMISTRY, ORGANIC | BEHAVIOR | diene complexes | CHEMISTRY, ORGANIC | PHOSPHITE | TRICARBONYL COMPLEXES | K EC CHEMISTRY, INORGANIC & NUCLEAR | CHEMISTRY, INORGANIC & NUCLEAR | LIGANDS | TRICARBONYL(PENTADIENYL)IRON(1+) CATIONS | CHEMISTRY | iron | SYSTEMS | CARBON-MONOXIDE INSERTION
Journal Article
Organometallics, ISSN 0276-7333, 04/2010, Volume 29, Issue 7, pp. 1537 - 1540
Reaction of tricarbonyl[(1−5-η)-pentadienyl]manganese with benzeneselenol in the presence of bis(diphenylphosphino)ethane afforded a mononuclear... 
REAGENTS | PENTADIENYL | LIGANDS | MANGANESE | COMPLEXES | REACTIVITY | CHEMISTRY, ORGANIC | METAL-PHOSPHINE CHEMISTRY | HALF-OPEN TITANOCENES | DIASTEREOSELECTIVE ADDITION | CATIONS | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2003, Volume 44, Issue 31, pp. 5909 - 5912
Two nucleophilic allylic organozirconium compounds 9– 10 (R 5: Me and tBu) have been reacted with acyclic isolated η 5-pentadienyl-Fe(CO) 3/Fe(CO) 2PPh 3(+1)... 
organozirconium compounds | carboncarbon bond formation | (η 5-pentadienyl)Fe(CO) 3/Fe(CO) 2PPh 3(+1) cations
Journal Article
Tetrahedron, ISSN 0040-4020, 1993, Volume 49, Issue 39, pp. 8787 - 8794
The reactions of 1,2-dimethyl-, 1-phenyl-2-methyl-, 1,4-dimethyl-, and 1-phenyl-4-methyl- substituted tricarbonyl(pentadienyl)iron(1+) cations ( 3a, 3b, 4a, 4b... 
(Pentadienyl)Fe(CO) 3 cations | terpene synthesis | CC bond formation | (Pentadienyl)Fe(CO) | cations | CC bond formation | IRON TRICARBONYL COMPLEXES | ASYMMETRIC-SYNTHESIS | REAGENTS | TERPENE SYNTHESIS | CHEMISTRY, ORGANIC | C-C BOND FORMATION | (PENTADIENYL)FE(CO)3 CATIONS | SALTS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 1995, Volume 36, Issue 10, pp. 1575 - 1576
Nucleophilic addition to the (1-methylpentadienyl)Fe(CO) 2PPh 3 + cation proceeds predominantly at the substituted pentadienyl terminus to afford... 
CHEMISTRY | CHEMISTRY, ORGANIC | IRON | TRICARBONYL(PENTADIENYL)IRON(1+) CATIONS | COMPLEXES
Journal Article
IUCrData, ISSN 2414-3146, 06/2018, Volume 3, Issue 6, p. x180902
In the title compound, [Fe(C25H24O2P)(C18H15P)(CO)2]PF6, the Fe atom adopts a square-based pyramidal coordination geometry with the carbonyl groups and the two... 
(pentadienyl)iron cation | crystal structure | 2E,4E-dienylphosphonium | Fe(CO)2PPh3
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 1991, Volume 32, Issue 48, pp. 7047 - 7050
Journal Article
Comments on Inorganic Chemistry, ISSN 0260-3594, 11/1999, Volume 21, Issue 4-6, pp. 285 - 325
Pentadienyl ligands have been found to possess many unique and potentially useful characteristics, including the ability to adopt a wide variety of η 1 , η 3 ,... 
Open metallocene | Metallocene | Pentadienyl | metallocene | open metallocene | METAL-PHOSPHINE CHEMISTRY | CARBON-CARBON BONDS | SUBSTITUTION-REACTIONS | M = TI | CHEMISTRY, INORGANIC & NUCLEAR | pentadienyl | MOLECULAR-STRUCTURES | TRICARBONYL CATIONS | PHOTOCHEMICAL-REACTIONS | HALF-OPEN METALLOCENES | SOLID-STATE STRUCTURES | OPEN TITANOCENES
Journal Article
Tetrahedron, ISSN 0040-4020, 2000, Volume 56, Issue 15, pp. 2283 - 2295
Methodology for the synthesis of the C7–C13 segment ( 19) and C14–C24 segment ( 41) of macrolactin A have been developed. Dicarbonyl(methyl 7-nitro-2 E,4... 
macrolactin A | organoiron | cyclocondensation | Macrolactin A | Organoiron | Cyclocondensation | (PENTADIENYL)IRON(1+) CATIONS | ORGANIC-SYNTHESIS | ENANTIOSELECTIVE SYNTHESIS | STREPTENOL-D | RESOLUTION | A ANALOGS | REACTIVITY | CHEMISTRY, ORGANIC | STEREOSELECTIVE SYNTHESIS | NUCLEOPHILES | TRICARBONYL IRON COMPLEXES
Journal Article
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