4-Bromo-1-trimethylsilyl-1-butyne

Name: 4-Bromo-1-trimethylsilyl-1-butyne
Brand: ChemScene
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CAS No. 69361-41-7
Cat. No. CS-0139500
Purity≥95%
MDL No.MFCD24458737

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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4-Bromo-1-trimethylsilyl-1-butyne|CS-0139500

Structure of 69361-41-7

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General Information

CAS No. 69361-41-7
Cat. No. CS-0139500
Purity ≥95%
MDL No. MFCD24458737
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₁₃BrSi
Molecular Weight 205.17
Synonym(s) None
SMILES BrCCC#C[Si](C)(C)C

Description

4-Bromo-1-trimethylsilyl-1-butyne features a terminal alkyne anchored by a trimethylsilyl group, enabling stable storage and selective activation. The bromine substituent provides a reactive handle for cross-coupling transformations. This molecule integrates seamlessly into Sonogashira and other palladium-catalyzed reactions, delivering efficient access to functionalized alkynes under mild conditions.

Application

4-Bromo-1-trimethylsilyl-1-butyne serves as a versatile building block in palladium-catalyzed cross-coupling reactions, enabling efficient synthesis of conjugated enynes and functionalized alkynes. The trimethylsilyl group provides enhanced stability and facilitates mild deprotection, while the terminal alkyne and bromine handle offer orthogonal reactivity for sequential transformations. Its bench-stable nature and compatibility with standard coupling protocols make it ideal for complex molecule assembly in medicinal chemistry and materials science.

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS02
Signal Word : Danger	UN#: 1993
Class : 3	Packing Group : Ⅲ
Hazard Statements : H225-H315-H319-H335
Precautionary Statements : P210-P240-P241-P242-P243-P261-P271-P280-P302+P352-P304+P340-P362-P370+P378-P405-P501

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Computational Chemistry Data

TPSA 0
LogP 2.6522
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Functional Group Organosilicon compounds

Key Words

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4-Bromo-1-trimethylsilyl-1-butyne

CAS No. 69361-41-7

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