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Tetrahedron, ISSN 0040-4020, 2008, Volume 64, Issue 5, pp. 883 - 893
[3+3] Annulations of exo-cyclic vinylogous amides and urethanes with vinyl iminium salts are described here. We observed an intriguing dichotomy in their... 
Aza-[3+3] annulation | Quinolines | Vinylogous amides | Carbo-[3+3] annulation | Tetrahydroindolizidines | Alkaloids | Amides | Urethanes | carbo-[3 + 3] annulation | Aza-[3 + 3] annulation | tetrahydroindolizidines | vinylogous amides | quinolines
Journal Article
Synthesis (Stuttgart), ISSN 0039-7881, 03/2014, Volume 46, Issue 6, pp. 687 - 721
Abstract This review examines sequential processes involving α,β-ynones and α,β-ynoates containing proximate nucleophiles as useful building blocks for the... 
review | Heterocycles | Sequential reactions | Aminoalkynones | Hydroxyalkynoates | Annulation | Physical Sciences | Chemistry | Chemistry, Organic | Science & Technology
Journal Article
Angewandte Chemie (International ed.), ISSN 1433-7851, 09/2017, Volume 56, Issue 37, pp. 11144 - 11164
The annulative π‐extension (APEX) reaction has the potential to have a tremendous impact on the fields of materials science and bioimaging, as well as on the... 
condensation | annulation | arenes | C-H functionalization | heterocycles | Materials science | Medical imaging | Chemical synthesis | Aromatic compounds
Journal Article
Tetrahedron letters, ISSN 0040-4039, 03/2017, Volume 58, Issue 13, pp. 1276 - 1279
[Display omitted] •Metal-free reaction conditions for the synthesis of 2-aminoquinazolines.•Mild reaction conditions for the synthesis of... 
Quinazolines | Heteroaromatic | Oxidative annulation | Metal free | Drugstores | Pharmacy | Amines | Oxidative Annulation | Metal Free
Journal Article
Synlett, ISSN 0936-5214, 06/2015, Volume 26, Issue 11, pp. 1465 - 1469
Abstract An N-heterocyclic carbene catalyzed enantioselective [3+3] annulation of benzothiazolyl acetates with 2-bromoenals has been developed. The protocol... 
letter | N-heterocyclic carbene | organocatalysis | dihydrobenzothiazolopyridinones | annulation | asymmetric synthesis
Journal Article
Angewandte Chemie (International ed.), ISSN 1433-7851, 11/2015, Volume 54, Issue 47, p. n/a
Heterocycles. In their Communication on page 13896 ff., K. C. Hwang et al. describe the regioselective one‐step synthesis of functionalized indoles by coupling... 
copper | annulations | radicals | heterocycles | photochemistry | Copper
Journal Article
Angewandte Chemie (International ed.), ISSN 1433-7851, 07/2011, Volume 50, Issue 28, pp. 6379 - 6382
Bond activation in action: Unprecedented ruthenium‐catalyzed oxidative annulations of alkynes through cleavage of CH bonds set the stage for an efficient... 
oxidation | heteroarenes | ruthenium | CH activation | annulation | C-H activation
Journal Article
Synthesis (Stuttgart), ISSN 0039-7881, 06/2016, Volume 48, Issue 19, pp. 3207 - 3216
A low catalyst loading of a squaramide (0.5 mol%) and a silver(I) salt (1 mol%) efficiently catalyzes a one-pot asymmetric Michael addition/hydroalkoxylation... 
paper | organocatalysis | silver catalysis | annulation | asymmetric synthesis | one-pot synthesis
Journal Article
Angewandte Chemie (International ed.), ISSN 1433-7851, 09/2014, Volume 53, Issue 37, pp. 9889 - 9892
A new method for the synthesis of highly substituted naphthyridine‐based polyheteroaromatic compounds in high yields proceeds through rhodium(III)‐catalyzed... 
CH activation | annulation | benzamidines | alkynes | rhodium | C-H activation | Organic chemistry | Synthesis | Insertion | Chemical reactions | Cleavage | Activation | Transformations | Bonding | Alkynes
Journal Article
European journal of organic chemistry, ISSN 1434-193X, 06/2011, Volume 2011, Issue 17, pp. 3156 - 3164
1,2‐Amino alcohols have been converted into morpholines by using sulfinamides as temporary protecting/activating groups on the amine. We have developed a... 
Sulfinamides | Nitrogen heterocycles | Annulation | Amino alcohols | Protecting groups
Journal Article
Beilstein journal of organic chemistry, ISSN 1860-5397, 09/2016, Volume 12, Issue 1, pp. 2005 - 2011
Pd-catalysed C-C bond formation is an essential tool within the pharmaceutical and agrochemical industries. Many of these reactions rely heavily on polar... 
Heterocycles | Sonogashira | Cross-coupling | Cacchi annulation | Sustainable solvent | Physical Sciences | Chemistry | Chemistry, Organic | Science & Technology | sustainable solvent | cross-coupling | heterocycles
Journal Article
Current Organic Chemistry, ISSN 1385-2728, 05/2018, Volume 22, Issue 11, pp. 1120 - 1138
This mini-review will describe the recent applications of tert–butyl nitrite (TBN) in organic synthesis. Due to its unique structural feature and wide... 
Diazotization | Organic synthesis | Annulation | Tert-Butyl nitrite | Mechanism | Aerobic oxidation | Physical Sciences | Chemistry | Chemistry, Organic | Science & Technology
Journal Article