grade
technical
assay
≥95% (T)
refractive index
n20/D 1.431
bp
102 °C/200 mmHg (lit.)
mp
16-18 °C (lit.)
density
1.135 g/mL at 20 °C, 1.138 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
OC(=O)C#C
InChI
1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
InChI key
UORVCLMRJXCDCP-UHFFFAOYSA-N
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
136.4 °F - closed cup
flash_point_c
58 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
新产品
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Regiodivergent ligand-controlled rhodium-catalyzed [(2+2)+2] carbocyclization reactions with alkyl substituted methyl propiolates.
P Andrew Evans et al.
Angewandte Chemie (International ed. in English), 49(33), 5746-5749 (2010-07-16)
Sándor Kun et al.
Carbohydrate research, 346(12), 1427-1438 (2011-04-08)
5-(O-Perbenzoylated-β-D-glucopyranosyl)tetrazole was obtained from O-perbenzoylated-β-D-glucopyranosyl cyanide by Bu(3)SnN(3) or Me(3)SiN(3)-Bu(2)SnO. This tetrazole was transformed into 5-ethynyl- as well as 5-chloromethyl-2-(O-perbenzoylated-β-D-glucopyranosyl)-1,3,4-oxadiazoles by acylation with propiolic acid-DCC or chloroacetyl chloride, respectively. The chloromethyl oxadiazole gave the corresponding azidomethyl derivative on treatment with
Jihye Park et al.
The Journal of organic chemistry, 76(7), 2214-2219 (2011-03-05)
One-pot synthesis of symmetric 1,4-disubstituted 1,3-diynes from iodoarenes and propiolic acid via Sonogashira reaction followed by Pd-catalyzed decarboxylative homocoupling is developed in high yields. Also, this system allows the one-pot synthesis of unsymmetric 1,4-disubstituted 1,3-diynes by cross-coupling of two different
Wen-Xiong Zhang et al.
Organic & biomolecular chemistry, 6(10), 1720-1730 (2008-05-03)
Various metal complexes (e.g., lanthanides, early transition metals, and alkali metals) can serve as catalyst precursors for the catalytic addition of alkyne C-H, amine N-H, and phosphine P-H bonds to carbodiimides, to give a new family of propiolamidines, guanidines, and
Tuoping Luo et al.
Journal of the American Chemical Society, 131(15), 5667-5674 (2009-04-01)
The build/couple/pair strategy has yielded small molecules with stereochemical and skeletal diversity by using short reaction sequences. Subsequent screening has shown that these compounds can achieve biological tasks considered challenging if not impossible ('undruggable') for small molecules. We have developed
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