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- Publications
- Influence
Iron-catalyzed oxidative tandem reactions with TEMPO oxoammonium salts: synthesis of dihydroquinazolines and quinolines.
- Renate Rohlmann, T. Stopka, H. Richter, O. García Mancheño
- Chemistry, Medicine
- The Journal of organic chemistry
- 7 June 2013
A straightforward iron-catalyzed divergent oxidative tandem synthesis of dihydroquinazolines and quinolines from N-alkylanilines using a TEMPO oxoammonium salt as a mild and nontoxic oxidant has been… Expand
Catalyzed selective direct α- and γ-alkylation of aldehydes with cyclic benzyl ethers by using T(+)BF4- in the presence of an inexpensive organic acid or anhydride.
- H. Richter, Renate Rohlmann, O. García Mancheño
- Medicine, Chemistry
- Chemistry
- 4 October 2011
The cross dehydrogenative coupling (CDC) of cyclic benzyl ethers with aliphatic and α,β-unsaturated aldehydes has been developed. The mild reaction conditions, in which an N-oxoammonium salt derived… Expand
Metal-Free Oxidative C(sp3)–H Bond Couplings as Valuable Synthetic Tools for C–C Bond Formations
- Renate Rohlmann, O. G. Mancheño
- Chemistry
- 19 November 2012
Metal-free oxidative methods for the direct functionalization of C(sp
3)–H bonds to form new C–C bonds remain challenging. In this article, previous and recent results, the latter devoted to… Expand
Synthesis of chiral cyclic nitrones by asymmetric addition of β-ketosulfones to nitroalkenes followed by reductive cyclization.
- O. García Mancheño, Pia Tangen, Renate Rohlmann, R. Froehlich, J. Alemán
- Chemistry, Medicine
- Chemistry
- 17 January 2011
The first organocatalytic addition of β-ketosulfones to nitroalkenes catalyzed by thiourea cinchona alkaloids is presented. The readily obtained addition products were selectively transformed into… Expand
Highly enantioselective synthesis of chiral 7-ring O- and N-heterocycles by a one-pot nitro-Michael-cyclization tandem reaction.
- Renate Rohlmann, Constantin-Gabriel Daniliuc, O. G. Mancheño
- Chemistry, Medicine
- Chemical communications
- 19 November 2013
A concise enantioselective approach to synthesise medium-sized 7-ring O- and N-heterocycles has been developed. The synthetic strategy relies on an organocatalytic nitro-Michael-nitrile oxide… Expand
The first organocatalytic asymmetric synthesis of 3-substituted isoindolinones
- V. More, Renate Rohlmann, +5 authors A. Massa
- Chemistry
- 10 April 2012
Herein we describe the first asymmetric organocatalytic synthesis of 3-substituted isoindolinones in a convenient aldol-cyclization-rearrangement tandem reaction of malonates with… Expand
Catalyzed Selective Direct α‐ and γ‐Alkylation of Aldehydes with Cyclic Benzyl Ethers by Using T+BF‐4 in the Presence of an Inexpensive Organic Acid or Anhydride.
- H. Richter, Renate Rohlmann, O. G. Mancheño
- Chemistry
- 20 March 2012
The reaction of the cyclic benzyl ethers with various carbonyl compounds as aldehydes, ketones and α,β-unsaturated aldehydes applies oxoammonium salt TBF as the formal hydrogen acceptor and Cu(OTf)2… Expand
Highly Enantioselective Synthesis of Chiral 7‐Ring O‐ and N‐Heterocycles by a One‐Pot Nitro‐Michael—Cyclization Tandem Reaction
- Renate Rohlmann, C. Daniliuc, O. G. Mancheño
- Chemistry
- 28 April 2014
The First Organocatalytic Asymmetric Synthesis of 3‐Substituted Isoindolinones.
- V. More, Renate Rohlmann, +5 authors A. Massa
- Chemistry
- 28 August 2012
Isoindolines are obtained with moderate to good enantiomeric excesses from organocatalytic aldol-cyclization-rearrangement tandem reaction of malonates with 2-cyanobenzaldehydes.
Iron‐Catalyzed Oxidative Tandem Reactions with TEMPO Oxoammonium Salts: Synthesis of Dihydroquinazolines and Quinolines.
- Renate Rohlmann, T. Stopka, H. Richter, O. G. Mancheño
- Chemistry
- 26 November 2013
This method uses a TEMPO oxoammonium salt (TBF) as a mild and nontoxic oxidant with readily available iron salts as catalysts for the synthesis of the title compounds.