186155
Lithium acetylide, ethylenediamine complex
90%
Synonym(s):
Lithium acetylide ethylenediamine complex, Lithium acetylide, compd. with 1,2-ethanediamine
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About This Item
Linear Formula:
LiC≡CH · NH2CH2CH2NH2
CAS Number:
Molecular Weight:
92.07
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
EC Number:
229-967-9
Beilstein/REAXYS Number:
3593824
MDL number:
Quality Segment
assay
90%
bp
110.6 °C (lit.)
mp
76 °C (dec.)
functional group
amine
storage temp.
2-8°C
SMILES string
[Li]C#C.NCCN
InChI
1S/C2H8N2.C2H.Li/c3-1-2-4;1-2;/h1-4H2;1H;
InChI key
QJQWXTYPTBEPGS-UHFFFAOYSA-N
Application
- Lithium acetylide, ethylenediamine complex is a general reagent to synthesize ethynylated ketones.
- It is used as a ligand in the coordination chemistry to synthesize transition metal complexes such as 1-alkynyl-dimethyl(triorganophosphine)gold(III) complex.
- It is employed in the ring opening reaction of epoxides, as in the total synthesis of (−)-goniotrionin and englerin A.
- It can also be used in the ethynylation of alkyl halides to prepare terminal alkynes.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B - Water-react. 2
supp_hazards
Storage Class
4.3 - Hazardous materials which set free flammable gases upon contact with water
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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