Search
Mayr's Database of Reactivity Parameters
- Advanced Search
- Nucleophiles (1367)
C-Nucleophiles (602)- Alkenes (56)
- Alkyl, Alkenyl and Aryl Boron Compounds (38)
- Alkynes (1)
- Allyl Element Compounds (38)
- Arenes (42)
- Azolium enolates (4)
- Breslow intermediates (11)
- Carbanions (155)
- Carbenes (NHCs) (7)
- Enol Ethers (72)
- Enamines, Enamides, and Ynamides (75)
- Diazo Compounds and Hydrazones (22)
- Isonitriles (5)
- Metal-π-Complexes (5)
- Metallocenes (6)
- NHOs (conventional and mesoionic) (19)
- Vinyl azides (9)
- Vinylsilanes (7)
- Ylides (30)
- H-Nucleophiles (193)
- Halide Anions (29)
- O-Nucleophiles (138)
- N-Nucleophiles (353)
- Aliphatic amines (104)
- Aromatic amines (7)
- Amide anions (N reactivity) (21)
- Amidines and Imines (10)
- Amino acids (20)
- Azoles and Azole Anions (33)
- Guanidines (8)
- Hydrazines, Hydroxylamines etc. (21)
- Imidazolines and related compounds (10)
- Isochalkogenoureas (38)
- Nucleobases and Their Subunits (15)
- Pyridines, Quinolines etc. (56)
- Other N-centered nucleophiles (10)
- S- and Se-Nucleophiles (33)
- P-Nucleophiles (19)
- Electrophiles (377)
- C-Electrophiles (352)
- N-Electrophiles (8)
- Diazo compounds (4)
- Diazonium ions(0)
- Azodicarboxylates (4)
- Cl-Electrophiles (chlorinating reagents) (3)
- F-Electrophiles (fluorinating reagents) (5)
- S-Electrophiles (thiolating reagents) (9)
Info
News
-
06/11/26:
Glycals (cyclic enol ethers) by Lakhdar, Robiette, Vincent, and Berionni have been added (Angew. Chem. Int. Ed. 2026, 65, e243229). -
05/21/26:
Isochalcogenoureas (O, S, Se & Te derivatives) have been added (ChemistryEurope 2026, 4, e202500443 and e202500434 & Angew. Chem. Int. Ed. 2025, 64, e202514865). -
03/20/26:
NaOCP by Breugst and Lakhdar has been added to the P-nucleophiles (Chem. Sci. 2024, 15, 14406-14414). -
03/18/26:
Vinyl azides have been added (Chem. Commun. 2026, 62, 5041). -
01/30/25:
Sesamol-derived ortho-quinone methides (o-QM) have been added (ChemEurJ 2024, e202403785 & OBC 2025, 23, 827-834) -
11/13/24:
2-Methylene-1,2-dihydropyridines (2-pyNHOs) have been added (EurJOC 2024, 27, e202400373). -
05/22/24:
Lactone enolates have been added (JOC 2024, 89, 6915-6928). -
05/21/24:
Mesoionic pyridinium-derived N-heterocyclic olefins (py-mNHOs) have been added (Angew. Chem. Int. Ed. 2024, 63, e202318283). -
10/19/23:
Enamines derived from 4-(alkylthio)-3-imidazolines and aldehydes have been added (ChemEurJ 2023, doi: 10.1002/chem.202302764). -
09/28/23:
Mesoionic N-heterocyclic olefins (mNHOs) have been added (Angew. Chem. Int. Ed. 2023, 62, e202309790). -
07/05/23:
S-Cyanomethylated imidazolidine-4-thione-derived enamines have been added (ChemComm 2023, 59, 8091). -
03/16/23:
Cyclic alpha-diazo carbonyl compounds added (EurJOC 2023, 26, e202300005) -
01/30/23:
Phenolates added (JOC 2019, 84, 8837-8858) -
01/30/23:
Electrophilicities of diazo compounds in azo couplings (ChemEurJ 2022, 28, e202201376) -
01/30/23:
Electrophilic indoles added (ChemCommun 2021, 57, 10071-10074) -
01/30/23:
Diazocyclopentadiene added (Synthesis 2023, 55, 354-358) -
01/30/23:
NADH and NADPH reactivities (in water, pH 7) determined by Mayer and Moran have been added (OBC 2022, 21, 85-88). -
09/20/22:
Alkenyl boronate nucleophilicity by Liu, Ready and co-workers has been added (JACS 2022, 144, 16118). -
05/21/21:
Thiophenolates (in DMSO) added (JOC 2021, 86, 5965-5972) -
04/13/21:
Cyclic Michael acceptors added (Chem. Sci. 2021, 12, 4850-4865) -
05/06/20:
GSH reactivity added (Angew. Chem. Int. Ed. 2019, 58, 17704-17708) -
05/06/20:
Heteroallenes added (JACS 2020, 142, 8383-8402). -
01/27/20:
Pyrrolidines and Imidazolidinones added (JACS 2020, 142, 1526-1547). -
04/24/18:
Ketones added (JACS 2018, 140, 5500). -
04/23/18:
Michael acceptors added (JACS 2017, 139, 13318). -
04/23/18:
Peroxide anions added (Angew. Chem. Int. Ed. 2017, 56, 13279). -
11/03/17:
Allyl-boron nucleophiles added (JACS 2017, 139, 15324) -
06/16/17:
Nucleophilicities of VNS reagents (JOC 2017, 82, 1011).