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Details

Stereochemistry ACHIRAL
Molecular Formula C3H4
Molecular Weight 40.0639
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of PROPYNE

SMILES

CC#C

InChI

InChIKey=MWWATHDPGQKSAR-UHFFFAOYSA-N
InChI=1S/C3H4/c1-3-2/h1H,2H3

HIDE SMILES / InChI

Molecular Formula C3H4
Molecular Weight 40.0639
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

PubMed

PubMed

TitleDatePubMed
Efficient synthesis of serically constrained smmetrically alpha,alpha-disubstituted alpha-amino acids under operationally convenient conditions.
2003-08-08
Termolecular ion-molecule reactions in Titan's atmosphere. IV. A search made at up to 1 micron in pure hydrocarbons.
2003-08
Highly stereoselective Saucy-Marbet rearrangement using chiral ynamides. Synthesis of highly substituted chiral homoallenyl alcohols.
2003-07-24
Cobalt-mediated approach for the synthesis of terpene-based hybrids.
2003-07-10
A Rh(I)-catalyzed cycloisomerization of homo- and bis-homopropargylic alcohols.
2003-06-25
Iron(II)-catalyzed sulfimidation and [2,3]-sigmatropic rearrangement of propargyl sulfides with tert-butoxycarbonyl azide. Access to N-allenylsulfenimides.
2003-06-13
Asymmetric synthesis of allyl- and alpha-allenylamines from chiral imines and alkynes via (eta(2)-imine)Ti(O-i-Pr)2 complexes.
2003-06-12
Synthesis, molecular structure, and C-C coupling reactions of carbeneruthenium(II) complexes with C5H5Ru(=CRR') and C5Me5Ru(=CRR') as molecular units.
2003-06-06
2-Allenyl-2H-benzotriazole.
2003-06
Asymmetric synthesis of alpha-amino allyl, benzyl, and propargyl silanes by metalation and rearrangement.
2003-05-29
Eta6-mesityl,eta1-imidazolinylidene-carbene-ruthenium(II) complexes: catalytic activity of their allenylidene derivatives in alkene metathesis and cycloisomerisation reactions.
2003-05-23
NMR studies of DNA single strands and DNA:RNA hybrids with and without 1-propynylation at C5 of oligopyrimidines.
2003-05-21
A mild C-O bond formation catalyzed by a rhenium-oxo complex.
2003-05-21
Ruthenium-catalyzed carbon-carbon bond formation between propargylic alcohols and alkenes via the allenylidene-ene reaction.
2003-05-21
W(CO)5(L)-catalyzed endo-selective cyclization of allenyl silyl enol ethers: an efficient method for the cyclopentene annulation onto alpha,beta-unsaturated ketones.
2003-05-15
Reversed stereoselectivity in iodohydroxylation of allenyl sulfides. An efficient synthesis of (Z)-3-organosulfur-2-iodo-2-propenols.
2003-04-17
Structure-activity relationships of (S,Z)-2-aminopurine methylenecyclopropane analogues of nucleosides. Variation of purine-6 substituents and activity against herpesviruses and hepatitis B virus.
2003-04-10
Pt(IV)-catalyzed cyclization of arene-alkyne substrates via intramolecular electrophilic hydroarylation.
2003-04-03
Cationic cyclopentannelation of allene ethers.
2003-04
Ruthenium catalyzed regioselective hydrophosphination of propargyl alcohols.
2003-03-21
Coordination of alkenes and alkynes to a cationic d(0) zirconocene alkoxide complex.
2003-03-19
The use of sulfonylamido pyrimidines incorporating an unsaturated side chain as endothelin receptor antagonists.
2003-03-10
Time-resolved photoionisation of radicals, clusters and biomolecules: relevant model systems.
2003-03
Factors that contribute to efficient catalytic activity of a small Ca2+-dependent deoxyribozyme in relation to its RNA cleavage function.
2003-02-25
Palladium(0) catalyzed regioselective carbonyl propargylation across tetragonal tin(II) oxide via redox transmetallation.
2003-02-21
A planar tetracoordinate carbon and unusual bonding in an organodimetallic propynylidene complex arising from double C-H activation of an allene ligand.
2003-02-19
Spin delocalization by triple-bonded functionalities in propargyl and heteropropargyl radicals, assessed from the EPR-spectral D parameter of 1,3-cyclopentanediyl triplet diradicals.
2003-02-07
Protein 4.1N is required for translocation of inositol 1,4,5-trisphosphate receptor type 1 to the basolateral membrane domain in polarized Madin-Darby canine kidney cells.
2003-02-07
Palladium-catalyzed cleavage of O/N-propargyl protecting groups in aqueous media under a copper-free condition.
2003-02-06
An ab initio/RRKM study of product branching ratios in the photodissociation of buta-1,2- and -1,3-dienes and but-2-yne at 193 nm.
2003-02-03
Dihydropyridines as inhibitors of capacitative calcium entry in leukemic HL-60 cells.
2003-02-01
A new 1,1'-binaphthyl-based catalyst for the enantioselective phenylacetylene addition to aromatic aldehydes without using a titanium complex.
2002-12-12
Unprecedented coupling of allenylidene and diynyl metal complexes: a bimetallic ruthenium system with a C7 conjugated bridge.
2002-12-02
Novel dual inhibitors of AChE and MAO derived from hydroxy aminoindan and phenethylamine as potential treatment for Alzheimer's disease.
2002-11-21
Highly enantioselective phenylacetylene additions to both aliphatic and aromatic aldehydes.
2002-11-14
The effect of exchanging various substituents at the 2-position of 2-methoxyestradiol on cytotoxicity in human cancer cell cultures and inhibition of tubulin polymerization.
2002-10-10
Rhodium(I) and Rhodium(III) complexes containing the chiral ligand 2,6-bis[4'(S)-isopropyloxazolin-2'-yl]pyridine (pybox): an unprecedented monohapto coordination of pybox.
2002-10-07
Chemical inactivation of the cinnamate 4-hydroxylase allows for the accumulation of salicylic acid in elicited cells.
2002-10
Steric control of organic transformation by a dendrimer cage: organocobalt dendrimer porphyrins as novel coenzyme B(12) mimics.
2002-09-25
Unexpected formation of new fluoroboranes from the reaction of NMe4B3H8 with BF3 and MeC identical with CH: exo-2-FB4H9 and trans-MeCH=CHBF2.
2002-09-21
Demand-based thiolate anion generation under virtually neutral conditions: influence of steric and electronic factors on chemo- and regioselective cleavage of aryl alkyl ethers.
2002-09-06
Reactions of CH3OCH2+ with hydrocarbons and O, N, and S compounds: applications for chemical ionization in selected ion flow tube studies.
2002-09
Asymmetric cyclopentannelation: camphor-derived auxiliary.
2002-08-28
Ir-Catalyzed substitution of propargylic-type esters with enoxysilanes.
2002-08-07
Rhodium catalyzed [4 + 2 + 2] cycloaddition and alkyne insertion: a new route to eight-membered rings.
2002-07-31
The first successful base-promoted isomerization of propargyl amides to chiral ynamides. Applications in ring-closing metathesis of ene-ynamides and tandem RCM of diene-ynamides.
2002-07-11
Ruthenium-catalyzed cycloaddition of propargylic alcohols with phenol derivatives via allenylidene intermediates: catalytic use of the allenylidene ligand as the C(3) unit.
2002-07-10
One-step ethynylation of silyl enol ether with chlorosilylethyne.
2002-06-27
C-5 propyne-modified oligonucleotides penetrate the epidermis in psoriatic and not normal human skin after topical application.
2002-06
[Pharmacological parameters of muscarinic cholinoreceptors in skeletal muscles].
2002-05
Patents
Substance Class Chemical
Created
by admin
on Mon Mar 31 19:40:26 GMT 2025
Edited
by admin
on Mon Mar 31 19:40:26 GMT 2025
Record UNII
086L40ET1B
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
1-PROPYNE [HSDB]
Preferred Name English
PROPYNE
Systematic Name English
METHYLACETYLENE
Systematic Name English
ALLYLENE
Common Name English
METHYL ACETYLENE
Systematic Name English
ACETYLENE, METHYL-
Systematic Name English
Code System Code Type Description
ECHA (EC/EINECS)
200-828-4
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
MESH
C022030
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
EPA CompTox
DTXSID0026387
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
PUBCHEM
6335
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
WIKIPEDIA
METHYLACETYLENE
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
HSDB
2508
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
FDA UNII
086L40ET1B
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
CAS
74-99-7
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY
CHEBI
48086
Created by admin on Mon Mar 31 19:40:26 GMT 2025 , Edited by admin on Mon Mar 31 19:40:26 GMT 2025
PRIMARY