275069
Ethynyltributylstannane
95%
Synonym(s):
Tributylstannylacetylene
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About This Item
Linear Formula:
HC≡CSn(CH2CH2CH2CH3)3
CAS Number:
Molecular Weight:
315.08
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3537659
Assay:
95%
Form:
liquid
assay
95%
form
liquid
refractive index
n
bp
70 °C/0.2 mmHg (lit.)
density
1.089 g/mL at 25 °C (lit.)
SMILES string
CCCC[Sn](CCCC)(CCCC)C#C
InChI
1S/3C4H9.C2H.Sn/c3*1-3-4-2;1-2;/h3*1,3-4H2,2H3;1H;
InChI key
YEMJHNYABQHWHL-UHFFFAOYSA-N
Application
Ethynyltributylstannane can be used as a reactant to prepare:
- Terminal arylacetylene derivatives by Stille coupling reaction with aryl halides in the presence of palladium catalyst.
- 1,4-bis(tributylstannyl)but-1-en-3-yne by dimerization using a metal complex having bulky ligand catalyst system.
- Isoquinolone derivatives by reacting with benzotriazinones via denitrogenative insertion in the presence of nickel catalyst.
- Enyne key intermediates in the total synthesis of (-)-acutumine and (-)-dechloroacutumine.
signalword
Danger
Hazard Classifications
Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT RE 1
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
165.2 °F - closed cup
flash_point_c
74 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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