4-PENTYNOIC ACID

4-PENTYNOIC ACID Basic information

Product Name:	4-PENTYNOIC ACID
Synonyms:	4-Pentynoic acid, 95%:;Propargylacetic acid, 2-Propargylethanoic acid;Pent-4-yn-1-oic acid;pent-4-yn-1-oicacid;PROPARGYLACETIC ACID;4-PENTYNOIC ACID;TIMTEC-BB SBB009121;4-Pentynoicacid,98%
CAS:	6089-09-4
MF:	C5H6O2
MW:	98.1
EINECS:	228-028-0
Product Categories:	Carboxylic Acids;Chemical Synthesis;Building Blocks;C1 to C5;Carbonyl Compounds;Organic Building Blocks;Aliphatics;Intermediates & Fine Chemicals;Pharmaceuticals
Mol File:	6089-09-4.mol

4-PENTYNOIC ACID Chemical Properties

Melting point	54-57 °C(lit.)
Boiling point	110 °C30 mm Hg(lit.)
density	1.1133 (rough estimate)
refractive index	1.3930 (estimate)
Fp	75 °C
storage temp.	2-8°C
pka	4.30±0.10(Predicted)
form	Crystalline Powder or Flakes
color	White to beige
Water Solubility	Soluble in low polarity organic solvents. Soluble in water.
Sensitive	Light & Air Sensitive & Hygroscopic
BRN	1742047
InChIKey	MLBYLEUJXUBIJJ-UHFFFAOYSA-N
LogP	0.402 (est)
CAS DataBase Reference	6089-09-4(CAS DataBase Reference)

Safety Information

Hazard Codes	C
Risk Statements	34
Safety Statements	26-36/37/39-45
RIDADR	UN 3261 8/PG 2
WGK Germany	3
RTECS	SC4751000
F	8-10-23
Hazard Note	Corrosive
HazardClass	8
PackingGroup	III
HS Code	29161900

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

4-PENTYNOIC ACID Usage And Synthesis

Chemical Properties	white to beige crystalline powder or flakes
Uses	4-Pentynoic Acid is a hypoglycemic agent shown to increase liver tyrosine aminotransferase and plasma corticosterone while decreasing blood sugar in rats.
Uses	4-Pentynoic acid was used: as building block for the synthesis of library of eight sequence-defined model oligomers in one-pot synthesis of the complex polycyclic heterocycles benzo[4,5]imidazo[1,2-c]pyrrolo[1,2-a]quinazolinone derivatives in the synthesis of various allenenols lactones [5(E)-(2-allenylidene)-tetrahydro-2-furanones] in the synthesis of a cyctotoxic macrolide by ring-closing metathesis of a bis acetylene
General Description	4-Pentynoic acid undergoes copper-catalyzed intramolecular cyclizations to form enol lactones. It also reacts with 1-bromo-1-alkynes in the presence of a Pd catalyst to yield biologically active ynenol lactones.

4-PENTYNOIC ACID Preparation Products And Raw materials

Raw materials	Hydrochloric acid-->Diethyl ether-->Sulfuric acid-->Sodium carbonate-->Magnesium sulfate-->Acetone-->Hexane-->Chromium(VI) oxide-->4-Pentyn-1-ol
Preparation Products	methyl 3-oxohept-6-ynoate-->2-(4-Isopropylphenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one-->2-(3,4-Dichlorophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one-->11b-methyl-2,5,6,11-tetrahydro-1H-pyrrolo[5,1-a]$b-carbolin-3-one-->4-bromo-pent-4-enoic acid

2-oxo-3-pentynoic acid 4-Oxo-2-pentynoic acid ethyl ester 2-n-propyl-4-pentynoic acid 5-(4-chlorophenyl)-2-((4-methylphenyl)sulfonyl)-4-pentynoic acid (R)-2-Amino-4-pentynoic acid t-butyl ester L-Propargylglycine HCL 2-PROPYL-3-PENTYNOIC ACID 4-Pentynoic acid ethyl ester 2-Hexyl-4-pentynoic Acid,2-N-HEXYL-4-PENTYNOIC ACID 2-PENTYNOIC ACID N-ALPHA-T-BUTOXYCARBONYL-(S)-2-AMINO-4-PENTYNOIC ACID DICYCLOHEXYLAMMONIUM SALT,(S)-2-(BOC-AMINO)-4-PENTYNOIC ACID DICYCLOHEXYLAMINE SALT 3-Pentynoic acid 4-PENTYNOIC ACID 98% 2-AMINO-4-PENTYNOIC ACID 4-Pentynoic acid, 2-amino-, (2S)-,(S)-2-AMINO-4-PENTYNOIC ACID 4-PENTYNOIC ACID, 2-ACETYL-3-ETHOXY-, METHYL ESTER (2R)-2-[(S)-1-Hydroxyethyl]-4-pentynoic acid ethyl ester,(R)-2-[(S)-1-Hydroxyethyl]-4-pentynoic acid ethyl ester (R)-2-AMINO-4-PENTYNOIC ACID

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