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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
butan-2-one +   
methyl ketone +     
(-)-duryne 
(-)-duryne B 
(-)-duryne C 
(-)-duryne D 
(-)-duryne E 
(-)-duryne F 
(-)-rotiorin 
(-)-selegiline  
(1R)-cis-imiprothrin +  
(1R)-trans-imiprothrin +  
(1S)-2-[(2S,5R)-2-(aminomethyl)-5-ethynylpyrrolidin-1-yl]-1-cyclopentyl-2-oxoethanamine 
(2R)-23-oxotetracosan-2-yl alpha-L-ascaroside 
(2R,3R,4S,5S)-6-[(1E)-1-chloro-3-ethylpent-1-en-4-yn-3-yl]-3,4,5-trihydroxyoxane-2-carboxylic acid 
(2S)-5-Hydroxy-7-methoxy-8-[(E)-3-oxo-1-butenyl]flavanone 
(4E)-hept-4-en-2-one 
(4Z,8Z)-4,8-dimethyl-12-oxotrideca-4,8-dienal 
(E)-5-chloro-3-ethynylpent-4-ene-2,3-diol 
(E,E)-2-methyl-6-oxohepta-2,4-dienal 
(E,E)-2-methyl-6-oxohepta-2,4-dienol 
(EZ)-(1R)-empenthrin 
(S)-5'-oxoaverantin 
1,3-dihydroxybutan-2-one 
1-(1-methylpyrrolidin-2-yl)acetone +  
1-(2-methylenecyclopropyl)ethanone 
1-(3'-\{1-[2-(morpholin-4-yl)ethyl]pyrazol-3-yl\}[1,1'-biphenyl]-3-yl)ethan-1-one 
1-hydroxy-1-phenylpropan-2-one +  
1-hydroxybutan-2-one 
1-isopropoxyacetone 
1-methyl-2-acetylpyrrole 
1-undecyne 
17alpha-ethynylestradiol +   
2',4',6'-trihydroxyacetophenone  
2,3,6,8,9-pentahydroxy-3-(2-oxopropyl)-1,2,3,4-tetrahydroanthracen-1-one 
2,4-diacetylphloroglucinol 
2,4-dihydroxy-3-methyl-6-(2-oxopropyl)benzaldehyde 
2,5-hexanedione  
2-(4-chlorophenyl)-N-\{2-[3-methoxy-4-(prop-2-yn-1-yloxy)phenyl]ethyl\}-2-(prop-2-yn-1-yloxy)acetamide +  
2-(6-heptynyl)-1,3-dioxolane 
2-[5-(but-3-yn-2-yloxy)-4-chloro-2-fluorophenyl]-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione +  
2-acetyl-1-pyrroline 
2-acetyl-5-methylfuran 
2-acetylfuran 
2-acetylpyrrole 
2-hydroxy-(22-27)-hexanorcucurbita-1,5,16-triene-3,11,20-trione 2-O-beta-D-glucopyranoside 
2-octanone 
2-propyn-1-yl 2,4,6-tribromophenyl phthalate 
3-(phenethylamino)-butan-2-one 
3-(phenethylamino)-butan-2-one(1+) 
3-acetylbenzamide 
3-acetylchlorophyllide a 
3-butynoic acid 
3-cyano-2-butanone 
3-ethoxy-2-butanone 
3-hexen-2-one 
3-hydroxy-2,4-dioxopentyl phosphate 
3-hydroxy-alpha-ionone 
3-methyl-1-butyne 
3-O-methyl-isosecotanapartholide 
3beta-hydroxy-16alpha,17alpha-epoxypregnenolone 3-beta-D-glucoside 
4'-O-demethylknipholone-4'-O-beta-D-glucopyranoside 
4-(\{[4-(but-2-yn-1-yloxy)phenyl]sulfonyl\}methyl)-1-[(3,5-dimethylisoxazol-4-yl)sulfonyl]-N-hydroxypiperidine-4-carboxamide 
4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one +   
4-hydroxybutan-2-one 
4-mercapto-4-methylpentan-2-one 
4-penten-2-one 
6,8-dihydroxy-3-(2-oxopropyl)-isocoumarin 
6-acetyl-2-amino-3,7,8,9-tetrahydropyrimido[4,5-b][1,4]diazepin-4-one 
7-octen-2-one 
acenocoumarol +   
acepromazine  
aceprometazine +  
acetoin +   
acetone +   
acetophenones +   
acetylene +   
acetylide +  
aglaiabbreviatin C 
alpha-ionone +   
alpha-irone 
aminoacetone  
amrubicin +  
apocynin  
ascr#2 +  
ascr#4 
azafenidin 
bacteriochlorophyllide a +  
benzyl 2-methyl-3-oxobutanoate 
BI00036838 
BMS-192548 
but-1-yne +  
but-3-yn-1-ol +  
but-3-ynal 
buta-1,3-diyne 
butan-2-one +   
buten-2-one  
butenyne 
butyn-2-one 
A terminal acetylenic compound that has formula C4H4O.
caminoside A 
caudatin-3-O-beta-cymaropyranoside 
CBL0137 
cercosporamide 
chloroprallethrin 
clorgyline  
cspyrone B1 
curamycin A 
danazol  
dec-1-yne 
deca-1,9-diyne 
decan-2-one 
dehydrocitreoisocoumarin 
desogestrel  
dexonorgestrel 
dihydrodehydro-beta-ionone 
dimethyl ethynylboronate 
dragonamide A 
drummondin D 
drummondin E 
drummondin F 
dysolenticin G 
dzununcanone 
epi-isochromophilone II 
erlotinib +   
erlotinib hydrochloride  
ethchlorvynol 
ethinamate 
ethisterone 
ethyl propiolate 
ethynodiol +   
ethynodiol diacetate  
ethynyl 
etonogestrel  
flavaspidic acid AB 
flumioxazin 
gaboroquinone A 
geumonoid 
GTRI-02 
heptan-2-one  
hex-5-ynoic acid 
hexa-1,5-diyne 
histrionicotoxin 
hydroxyacetone +  
hypocrellin D 
iloperidone  
isodrummondin D 
isosecotanapartholide 
kebuzone 
khekadaengoside K 
kidjoranin-3-O-alpha-diginopyranosyl-(1->4)-beta-cymaropyranoside 
kidjoranin-3-O-beta-digitoxopyranoside 
kinoprene 
knipholone +  
L-beta-ethynylserine 
L-propargylglycine +  
levonorgestrel  
mallotophilippen B 
marinacarboline B 
mestranol  
mono(2-ethyl-5-oxohexyl) phthalate  
muqubilone 
mycomycin 
nabumetone  
nigerapyrone C 
nigerapyrone D 
nigerapyrone E 
nonan-2-one 
norethisterone +   
norethisterone acetate 
norgestimate  
norgestrel +   
octadec-17-ynoic acid 
oxidized Latia luciferin 
p-Ts-L-Lys-Me 
pentan-2-one 
pentane-2,3-dione  
phenylacetone 
platanic acid 
potassium tetraethynylborate 
pralatrexate 
prallethrin  
prop-2-yn-1-ol +   
prop-2-ynal 
propargite  
propynamide 
propyne 
propynoic acid +  
propyzamide +   
Pyraclonil 
quinestrol 
rasagiline  
raspberry ketone  
rel-2alpha,3alpha,23-trihydroxy-19-oxo-18,19-seco-urs-11,13(18)-dien-28-oic acid 
rel-2alpha,3beta,23-trihydroxy-19-oxo-18,19-seco-12,17-dien-28-norursane 
RH-24580 
rotiorinol A 
rotiorinol B 
rotiorinol C 
rottlerin  
rubrorotiorin 
selegiline +   
selegiline hydrochloride 
semi-beta-carotenone 
spirolaurenone 
sterculynic acid 
streptokordin 
sulcatone 
TAN-1612 
tenuazonic acid 
teprenone  
tibolone  
traseolide +  
triacetylene 
tridecan-2-one 
undecan-2-one  
usnic acid +   

Synonyms
Exact Synonyms: but-3-yn-2-one
Related Synonyms: 1-butyn-3-one ;   CH3COC#CH ;   Formula=C4H4O ;   InChI=1S/C4H4O/c1-3-4(2)5/h1H,2H3 ;   InChIKey=XRGPFNGLRSIPSA-UHFFFAOYSA-N ;   SMILES=CC(=O)C#C ;   acetylacetylene ;   acetylethyne ;   methyl ethynyl ketone
Xrefs: Beilstein:605353 ;   CAS:1423-60-5 ;   Gmelin:49292

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