531634
Bis(pyridine)iodonium tetrafluoroborate
Synonym(s):
Barluenga reagent
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About This Item
Empirical Formula (Hill Notation):
C10H10BF4IN2
CAS Number:
Molecular Weight:
371.91
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
reaction suitability
reagent type: oxidant
mp
137-141 °C (lit.)
storage temp.
2-8°C
SMILES string
[I+].F[B-](F)(F)F.c1ccncc1.c2ccncc2
InChI
1S/2C5H5N.BF4.I/c2*1-2-4-6-5-3-1;2-1(3,4)5;/h2*1-5H;;/q;;-1;+1
InChI key
JBVUIHBKNVHCKK-UHFFFAOYSA-N
General description
Bis(pyridine)iodonium Tetrafluoroborate (Barluenga′s reagent) is a mild iodinating and oxidizing reagent capable of selectively reacting with a wide range of unsaturated substrates and tolerates a variety of functional groups.
Application
Bis(pyridine)iodonium Tetrafluoroborate reacts with acetonides derived from simple terpenes to accomplish selective iodofunctionalization with excellent regio- and diastereofacial control. It has been used as a reactant involved in:
- Synthesis of substituted naphthalenes and oxygen containing heterocycles from 2-alkynyl-substituted benzaldehydes.
- Synthesis of tetracyclic tetrahydrofurans
Applications for Bis(pyridine)iodonium Tetrafluoroborate
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Customers Also Viewed
Campos, P. J. et al
Tetrahedron Letters, 38, 8397-8397 (1997)
José Barluenga et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 10(17), 4206-4213 (2004-09-08)
The use of bis(pyridine)iodonium tetrafluoroborate (IPy(2)BF(4)) as an oxidizing agent towards different types of alcohols is reported. The observed reactivity involves different reaction pathways, as a function both of the structures of the starting materials and of the experimental conditions.
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