5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one

Modify Date: 2026-09-14 13:30:39

5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one Structure
5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one structure
Common Name 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one
CAS Number 1254319-58-8 Molecular Weight 279.097
Density 1.3±0.1 g/cm3 Boiling Point N/A
Molecular Formula C13H18BNO5 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.3±0.1 g/cm3
Molecular Formula C13H18BNO5
Molecular Weight 279.097
Exact Mass 279.127808
PSA 64.72000
LogP 1.88
Index of Refraction 1.557

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one Structure

5-(4,4,5,5-tetr...

CAS#:1254319-58-8

Learn More
Literature: ASTRAZENECA AB; ASTRAZENECA UK LIMITED; FORD, Rhonan; METE, Antonio; MATHER, Andrew; MILLICHIP, Ian Patent: WO2010/128324 A1, 2010 ; Location in patent: Page/Page column 127 ; WO 2010/128324 A1

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-OXO-2,3-DIHYDROBENZO[D]OXAZOL-5-YLBORONIC ACID PINACOL ESTER
Boronic acid, B-(2,3-dihydro-2-oxo-5-benzoxazolyl)-, mono(2-hydroxy-1,1,2-trimethylpropyl) ester
5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-benzoxazol-2(3H)-one
5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZO[D]OXAZOL-2(3H)-ONE
3-Hydroxy-2,3-dimethyl-2-butanyl hydrogen (2-oxo-2,3-dihydro-1,3-benzoxazol-5-yl)boronate

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the upstream materials of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: Related upstream materials(CAS) of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one: 14733-73-4;73183-34-3.
Q: What is the CAS number of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: CAS number of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one is 1254319-58-8.
Q: What is the LogP of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: LogP of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one is 1.88.
Q: What is the English name of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: The English name of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one is 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one.
Q: What is the polar surface area (PSA) of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: Polar surface area (PSA) of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one is 64.72000.
Q: What is the molecular weight of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: Molecular weight of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one is 279.097.
Q: What English synonyms does 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one have?
A: English synonyms of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one: 2-OXO-2,3-DIHYDROBENZO[D]OXAZOL-5-YLBORONIC ACID PINACOL ESTER, Boronic acid, B-(2,3-dihydro-2-oxo-5-benzoxazolyl)-, mono(2-hydroxy-1,1,2-trimethylpropyl) ester, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-benzoxazol-2(3H)-one, 5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZO[D]OXAZOL-2(3H)-ONE, 3-Hydroxy-2,3-dimethyl-2-butanyl hydrogen (2-oxo-2,3-dihydro-1,3-benzoxazol-5-yl)boronate.
Q: What is the Chinese name of 1254319-58-8?
A: Chinese name of 1254319-58-8 is 1254319-58-8.
Q: What is the molecular formula of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one?
A: Molecular formula of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-1,3-benzoxazol-2-one is C13H18BNO5.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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