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Chemistry – A European Journal, ISSN 0947-6539, 06/2018, Volume 24, Issue 33, pp. 8325 - 8330
1,2‐Diazetidin‐3‐ones are readily accessible, small ring scaffolds that upon functionalization have the potential to produce diverse 3‐dimensional structures... 
carbene insertion | 4-membered rings | drug discovery | heterocycles | lead-oriented synthesis | ANTIBIOTICS | AZA-BETA-LACTAMS | CHEMISTRY | SYSTEMS | OXETANES | CHEMISTRY, MULTIDISCIPLINARY | TOOL | Crystallography, X-Ray | Catalysis | Drug Discovery | Rhodium - chemistry | Urea | Drug discovery | Carcinoma | Rhodium | Lability | Dimers | Mammary gland | Hydrazides | Derivatives | Acetic acid | Crystallography | Scaffolds
Journal Article
Inorganic Chemistry, ISSN 0020-1669, 04/2017, Volume 56, Issue 8, pp. 4521 - 4537
Heterolytic cleavage of homoatomic bonds is a challenge, as it requires separation of opposite charges. Even highly strained homoatomic rings (e.g.,... 
CYCLOADDITION | DONOR-ACCEPTOR CYCLOPROPANES | CRYSTAL-STRUCTURE | MOLECULAR-STRUCTURES | ISOCYANIDES | CHEMISTRY | REACTIVITY | 4-MEMBERED RINGS | SIGMA-ELECTRONS | OPENING POLYMERIZATION | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 08/2019, Volume 58, Issue 34, pp. 11600 - 11617
Electron‐deficient small boron rings are unique in their formation of σ‐ and π‐delocalized electron systems as well as the avoidance of “classical” structures... 
ring compounds | multiple-center bonding | electron-deficient compounds | boron | aromaticity | HYDRIDE ABSTRACTION | MOLECULAR-STRUCTURE | AB-INITIO | B-B BOND | CHEMISTRY, MULTIDISCIPLINARY | HYDROGEN | 2-ELECTRON AROMATICS | AMMONIA TRIBORANE | BORON HYDRIDES | TRI-TERT-BUTYLAZADIBORIRIDINE | 4-MEMBERED RINGS | Organic chemistry | Boron | Chemistry | Redox reactions | Protonation | Boron compounds | Cyclic compounds | Electrons
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 06/2018, Volume 24, Issue 33, p. n/a
1,2‐Diazetidin‐3‐ones remain an under‐investigated small‐ring heterocycle. Nevertheless their diverse structures offer the potential to explore chemical space... 
carbene insertion | 4-membered rings | drug discovery | heterocycles | lead-oriented synthesis | Drug discovery | Substitutes | Organic chemistry | Moments of inertia | Synthesis | Flight
Journal Article
Tetrahedron, ISSN 0040-4020, 2009, Volume 65, Issue 8, pp. 1689 - 1696
A combination of three spiroannelation methods forms the basis for a synthesis of the first two helical hydrocarbons of 1,3-spiroannelated five-membered rings.... 
Spiroannelations | Helicenes | Rearrangements | ZIPPER | ROUTES | SPIROANNELATION | CHEMISTRY, ORGANIC | N-GREATER-THAN-OR-EQUAL-TO-7 | REARRANGEMENT | CYCLOADDITION | KETONES | CARBOCYCLIC SPIRO COMPOUNDS | ENANTIOMERICALLY PURE HIGHER | 4-MEMBERED RINGS
Journal Article
Chemical Physics Letters, ISSN 0009-2614, 05/2012, Volume 536, pp. 77 - 81
[Display omitted] ► A D4d isomer with two squares is proved as the most suitable host cage of noble gas. ► The 4/6/6/6/6 segment plays a key role on the... 
ELECTRON-GAS | NGAT-C-60 NG | C-32 | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CORRELATION-ENERGY | RADICAL CATIONS | CHEMISTRY, PHYSICAL | ATOMS | 4-MEMBERED RINGS | C-60 | HELIUM | ENDOHEDRAL COMPLEXES
Journal Article
ISSN 1477-0520, 12/2014, Volume 13, Issue 3, pp. 646 - 654
The state of the art in the mechanisms operating in imine chemistry in organic solvents is critically discussed in the present review. In particular, the... 
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 01/2015, Volume 13, Issue 3, pp. 646 - 654
The state of the art in the mechanisms operating in imine chemistry in organic solvents is critically discussed in the present review. In particular, the... 
MILD | ADDITIVE FORMATION | TRANSIMINATION | METATHESIS REACTIONS | CHEMISTRY, ORGANIC | 4-MEMBERED RINGS | PROTON-TRANSFER | SOLVATION | DERIVATIVES | NUCLEOPHILIC CATALYSIS | DRIVEN EVOLUTION
Journal Article
Organometallics, ISSN 0276-7333, 06/2016, Volume 35, Issue 11, pp. 1593 - 1596
The heavier cyclobutadiene analogue 2,4-digerma-1,3-diphosphacyclobutadiene ([L1 2Ge2P2], 4; L1 = CH­{(CMe)­(2,6- i Pr2C6H3N)}2), featuring a planar Ge2P2... 
PHOSPHORUS | ANION | HETEROCYCLES | MOLECULAR-STRUCTURE | COMPLEXES | REACTIVITY | CHEMISTRY, ORGANIC | SODIUM PHOSPHAETHYNOLATE | GERMYLENE | 4-MEMBERED RINGS | IRON TRICARBONYL | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
Chemical Society Reviews, ISSN 0306-0012, 2010, Volume 39, Issue 2, pp. 817 - 844
Open-cage fullerene derivatives have excited organic chemists' creativity over the past decade. These adducts, generated via consecutive cleavage of sigma- and... 
ORIFICE-SIZE | BUCKMINSTERFULLERENE C-60 | HOT-ATOM INCORPORATION | SPECTROSCOPIC PROPERTIES | DIELS-ALDER REACTION | MIXED PEROXIDES | X-RAY STRUCTURES | 4-MEMBERED RINGS | CHEMISTRY, MULTIDISCIPLINARY | HYDROGEN MOLECULE | ENDOHEDRAL METALLOFULLERENES
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 09/2016, Volume 2016, Issue 25, pp. 4387 - 4393
Computational analyses of the tris(3,4‐dimethylenecyclobuteno)benzene molecule indicate that the absence of the equivalent of a HOMO of an etheno group between... 
Fused‐ring systems | Electronic structure | Density functional calculations | Conjugation | Bond theory | Orbital interactions | Fused-ring systems | DEFORMATION ELECTRON-DENSITIES | ANTIAROMATICITY | MOLECULAR-STRUCTURE | CYCLIC PI | AB-INITIO | CHEMISTRY, ORGANIC | CRYSTAL-STRUCTURES | AROMATICITY | 4-MEMBERED RINGS | INDEPENDENT CHEMICAL-SHIFTS
Journal Article