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521396

Sigma-Aldrich

2-Cyanophenylboronic acid

≥95.0%

Synonym(s):

2-Cyanobenzeneboronic acid, [m-Cyanophenyl-4-yl]boronic acid

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About This Item

Linear Formula:
NCC6H4B(OH)2
CAS Number:
138642-62-3
Molecular Weight:
146.94
MDL number:
MFCD01632208
UNSPSC Code:
12352103
PubChem Substance ID:
24874204
NACRES:
NA.22

Assay

≥95.0%

mp

240 °C (dec.) (lit.)

SMILES string

OB(O)c1ccccc1C#N

InChI

1S/C7H6BNO2/c9-5-6-3-1-2-4-7(6)8(10)11/h1-4,10-11H

InChI key

NPLZNDDFVCGRAG-UHFFFAOYSA-N

Related Categories

Application

Employed in a rhodium-catalyzed [3+2] annulation with alkynes leading to substituted indenones.
Useful in the synthesis of substitutes indenones or indanones

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

PRTR

Class I Designated Chemical Substances

JAN Code

521396-BULK:
521396-5G:4548173165264
521396-1G:4548173165257
521396-VAR:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tomoya Miura et al.
Organic letters, 7(15), 3339-3341 (2005-07-16)
[reaction: see text]. A new [3 + 2] annulation reaction was developed in which 2-cyanophenylboronic acid reacted as a three-carbon component with alkynes or alkenes to afford substituted indenones or indanones. The use of an alkynoate even produced benzotropone, a

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