Periodic Table |
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Functional Group Database
Organic chemistry is dominated by the functional group approach. This page lists the organic FGs held in The Chemical Thesaurus. Click on more info link to access the reactions of the various FGs listed.
| Acetal |  |
| Acetal, cyclic |  |
| Acetylene |  |
| Acetylene, terminal hydrogen |  |
| Acetylide anion |  |
| Acid isothiocyanate |  |
| Adamantyl function |  |
| Alcohol, benzylic |  |
| Aldehyde stabilised carbanion |  |
| Aldehyde, a,b-unsaturated |  |
| Aldehyde, alpha-bromo |  |
| Aldehyde, alpha-hydrogen |  |
| Aldehyde, beta-hydroxy |  |
| Aldehyde, protonated |  |
| Aldimine |  |
| Aldimine, N-alkyl |  |
| Alkenyl lithium |  |
| Alkoxy aluminium hydride ion |  |
| Alkoxy borohydride ion |  |
| Alkoxy carbenium ion |  |
| Alkoxy cation |  |
| Alkyl aluminium hydride ion |  |
| 2° Alkyl carbenium ion |  |
| 3° Alkyl carbenium ion |  |
| Alkyl lithium |  |
| Alkyl magnesium bromide |  |
| Alkyl nitrile alpha-carbanion |  |
| Alkyl oxonium ion |  |
| Alkyl thiocyanate |  |
| Alkyl, -CH2- |  |
| Alkyl, adamantyl | |
| 2-Alkyl-1,3-dithiane |  |
| Alkyne anion | |
| Alkyne, disubstituted | |
| Alkyne, terminal hydrogen | |
| Allene |  |
| Allyl anion |  |
| Allyl cation |  |
| 1° Allylic alcohol |  |
| 2° Allylic alcohol |  |
| Aluminium hydride, alkoxy ion | |
| Aluminium hydride, alkyl ion | |
| Aluminium hydride, dialkyl ion |  |
| 1° Amide, anion |  |
| 2° Amide |  |
| Amide, cyclic |  |
| Amide, cyclic - 4 membered ring |  |
| 3° Amine, beta-chloro |  |
| Amine N-oxide |  |
| Arenium ion |  |
| Aronium ion |  |
| Arsine anion |  |
| Arsine, trialkyl |  |
| Azide |  |
| Azine |  |
| Azinic acid |  |
| Azinoyl |  |
| Aziridine, N,N-dialkyl |  |
| Azo compound |  |
| Azonic acid |  |
| Azono | |
| Azonoyl |  |
| Azoxy compound |  |
| Benzene anion |  |
| Benzoate ester |  |
| 1,4-Benzoquinone |  |
| Benzyl alcohol | |
| Benzyl anion |  |
| Benzyl cation |  |
| Benzyl ether |  |
| Borane, trialkyl (RCH2CH2)3B |  |
| Borohydride, monoalkoxy ion | |
| Borohydride, trialkyl ion |  |
| alpha-Bromo ketone |  |
| alpha-Bromoaldehyde | |
| C6H5COOR | |
| 1° Carbanion |  |
| 2° Carbanion |  |
| 3° Carbanion |  |
| Carbanion, acetylide | |
| Carbanion, alpha-aldehyde | |
| Carbanion, carboxylate stabilised |  |
| Carbanion, 1,3-dithiane |  |
| Carbanion, enolate |  |
| Carbanion, ester stabilised |  |
| Carbanion, beta-ketoester |  |
| Carbanion, beta-ketone |  |
| Carbanion, malonate |  |
| Carbanion, methyl ketone enolate |  |
| Carbanion, nitrile stabilised | |
| Carbanion, nitro stabilised |  |
| Carbanion, phenyl | |
| Carbanion, phosphonate stabilised |  |
| Carbanion, vinyl |  |
| Carbene, dialkyl |  |
| Carbenium ion, alkoxy | |
| Carbenium ion, alkyl dihydroxy |  |
| Carbenium ion, beta-amino | |
| Carbenium ion, beta-ether |  |
| Carbenium ion, beta-thioether |  |
| Carbenium ion, dialkoxy |  |
| Carbenium ion, dialkyl | |
| Carbenium ion, dialkyl hydroxy |  |
| Carbenium ion, phenyl | |
| Carbenium ion, propargylic |  |
| Carbenium ion, trialkyl | |
| Carbodithioic acid |  |
| Carbohydrazonic acid |  |
| Carbohydroxamic acid |  |
| Carboiimide |  |
| Carbonate diester |  |
| Carbothioic O-acid |  |
| Carbothioic S-acid |  |
| Carboximidic acid |  |
| Carboxylate dianion | |
| Carboxylic acid, protonated | |
| Chloroalkene |  |
| beta-Chloroethyl amine | |
| beta-Chloroethyl ether |  |
| beta-Chloroethyl thioether |  |
| Chlorohydrin |  |
| Cyanate |  |
| Cyclic ester |  |
| Cycloheptatriene anion |  |
| Cyclooctatetrene dianion |  |
| Cyclopentadienyl anion |  |
| Dialkoxycarbenium ion | |
| Dialkyl ketene |  |
| protonated Dialkyl ketone | |
| Dialkyl oxonium ion |  |
| Dialkyl sulfide |  |
| Dialkylaluminium hydride ion | |
| Dialkylamide anion |  |
| Dialkylcarbenium ion | |
| Dialkylhydroxy carbenium ion | |
| Dialkylnitranion | |
| Dialkylsulfonium ion |  |
| Diazene | |
| Diazene oxide | |
| Diazoketone |  |
| Diazonium ion |  |
| Dihydronitroyl | |
| Dihydroxynitroyl | |
| Dihydroxyphosphane |  |
| beta-Diketone anion | |
| beta-Diketone |  |
| Disulfide anion, organic |  |
| Disulfide, organic |  |
| 1,3-Dithiane anion | |
| Dithiane, 2-alkyl, -1,3- | |
| Dithiosulfinic acid |  |
| Dithiosulfonic O-acid |  |
| Dithiosulfonic S-acid |  |
| Enal | |
| Enamine |  |
| Enamine anion |  |
| Enol ether |  |
| Enolate anion | |
| Enolate ion from methyl ketone | |
| Enolate, lithium |  |
| Enone |  |
| Episulfide, S-alkylated | |
| Epoxide |  |
| Epoxide, O-alkylated | |
| Ester stabilised carbanion | |
| Ester, cyclic | |
| Ester, methyl |  |
| Ether, beta-chloro | |
| Ether, beta-hydroxy |  |
| Ether, phenyl |  |
| Ethylene oxide, O-alkylated | |
| Formaldehyde, alkylated | |
| Formate ester, alkylated | |
| Fulminate |  |
| Grignard reagent, alkyl magnesium bromide | |
| Hemiacetal |  |
| Hemiketal |  |
| Hydrazine, alkyl |  |
| Hydrazone |  |
| Hydrohydroxynitroyl | |
| Hydronitroyl | |
| beta-Hydroxy aldehyde | |
| Hydroxy alkoxy carbenium ion | |
| beta-Hydroxy ether | |
| Hydroxylamine |  |
| Hydroxynitroyl |  |
| Hydroxyphosphane, alkyl |  |
| Hydroxyphosphane, dialkyl |  |
| Imide |  |
| Imido anion |  |
| Imine, dialkyl |  |
| Imine, N-alkyl alkyl |  |
| Imine, trialkyl |  |
| Imino anion |  |
| Isocyanate |  |
| Isocyanide |  |
| Isodiazine |  |
| Isoselenocyanate |  |
| Isothiocyanate |  |
| Isothiocyanate, acid | |
| Ketal |  |
| Ketal, cyclic |  |
| Ketene, dialkyl | |
| beta-Ketoaldehyde |  |
| beta-Ketoester anion | |
| beta-Ketoester |  |
| alpha, beta-unsaturated Ketone | |
| Ketone, alpha-bromo | |
| Ketone, protonated | |
| Lactam | |
| beta-Lactam | |
| Lactone | |
| Lithium diorganocopper reagent |  |
| Lithium enolate | |
| Lithium, organo | |
| Malonate diester |  |
| Malonic diester carbanion | |
| Mercaptan |  |
| Methyl ester | |
| Methyl ketone enolate ion | |
| Methyl thioether |  |
| Methylene function | |
| Mustard | |
| Mustard, nitrogen | |
| N-Alkyl aldimine | |
| N-Nitro |  |
| N-Nitrosomine |  |
| Nitranion | |
| Nitrate ester |  |
| Nitrene |  |
| Nitrilium ion |  |
| Nitro compound |  |
| Nitroalkane alpha-carbanion | |
| Nitrogen mustard | |
| Nitroryl | |
| Nitroso |  |
| Oxenium ion | |
| Oxide, organic | |
| Oxime |  |
| Oxirane | |
| Oxirane, O-alkylated | |
| Oxonium ion, dialkyl | |
| Oxonium ion, monoalkyl | |
| Oxonium ion, trialkyl |  |
| Peroxide anion, organic |  |
| Peroxide, organic |  |
| Peroxycarboxylic acid |  |
| PhCOOR | |
| Phenol |  |
| Phenoxide ion |  |
| Phenyl anion | |
| Phenyl ether | |
| Phosphate di-substituted |  |
| Phosphate tri-substituted |  |
| Phosphate, mono-substituted |  |
| Phosphine |  |
| Phosphine anion |  |
| Phosphine oxide |  |
| Phosphine, trisubstituted | |
| Phosphinic acid |  |
| Phosphinous acid | |
| Phosphonate stabilised carbanion | |
| Phosphonate, diethyl alkyl |  |
| Phosphonic acid |  |
| Phosphonium ion |  |
| Phosphonous acid | |
| Propanedioic acid diester | |
| Propargyl alcohol |  |
| Propargylic cation | |
| R-S-CH2CH2Cl | |
| [R2N]- | |
| R2S | |
| [R3C]+ | |
| [R3C]- | |
| [RCC]- | |
| RCF3 |  |
| RCOSH | |
| RCSSH | |
| RL | |
| RMgB | |
| RN3 | |
| RN=NR | |
| RNC | |
| RNCO | |
| RNCS | |
| RNHNH2 | |
| RNO | |
| ROCN | |
| RONC | |
| [RO]+ | |
| RSCN | |
| RSeCN |  |
| RSeNC | |
| [RSe]- |  |
| RSH | |
| RSO2Cl |  |
| RSR | |
| RSSR | |
| [RS]+ |  |
| [RS]- |  |
| Secondary amide | |
| Selenide anion | |
| Selenium cation |  |
| Selenocyanate | |
| Selenoether |  |
| Semicarbazide |  |
| Shiff base, dialkyl | |
| Shiff base, N-alkyl alkyl | |
| Shiff base, trialkyl | |
| Silane |  |
| Silyl anion |  |
| Silyl cation |  |
| Sulfenium ion | |
| Sulfide, dialkyl | |
| Sulfinate anion |  |
| Sulfinic acid |  |
| Sulfinimidic acid |  |
| Sulfinohydrazonic acid |  |
| Sulfinohydroximic acid |  |
| Sulfone |  |
| Sulfonic acid |  |
| Sulfonimidic acid |  |
| Sulfonium ion, alkyl |  |
| Sulfonium ion, dialkyl | |
| Sulfonium ion, trialkyl |  |
| Sulfonodiimidic acid |  |
| Sulfonohydrazonic acid |  |
| Sulfonohydroximic acid |  |
| Sulfonylchloride | |
| Sulfoxide |  |
| Sulphonic acid | |
| Telluride anion |  |
| Telluroether |  |
| Thiirane, S-alkyl | |
| Thioacetal | |
| Thioacetal carbanion | |
| Thioacetal, cyclic |  |
| Thioacid | |
| Thioanion | |
| Thiocarbenium ion |  |
| Thiocation | |
| Thiocyanate | |
| Thioether | |
| Thioether, beta-chloro | |
| Thioether, methyl | |
| Thioketal, cyclic |  |
| Thioketone |  |
| Thioketone, protonated | |
| Thiol | |
| Thiosulfinic O-acid |  |
| Thiosulfinic S-acid |  |
| Thiosulfonic O-acid |  |
| Thiosulfonic S-acid |  |
| Thiosulfonimidic O-acid |  |
| Thiosulfonimidic S-acid |  |
| Trialkylborane (RCH2CH2)3B | |
| Trialkylborohydride ion | |
| Trialkylcarbenium ion | |
| Trialkyloxonium ion | |
| Trialkylsulfonium ion | |
| Trifluoromethyl function | |
| Trithiosulfonic acid |  |
| Vinyl anion | |
| Vinyl chloride | |
| Vinyl ether | |
| Wheland Intermediate | |
| Wittig reagent |  |
| Ylid |  |
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| Linear & Aromatic Organic π-Systems | Chemistry and Complexity |
© Mark R. Leach 1999 –
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