Início > Boronic Acid Derivatives> 4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane

4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane

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Origem: China

Cas No: 99770-93-1

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 50 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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CAS No.: 99770-93-1 Formula: C18H28B2O4 Molecular Weight: 330.03500

Basic Info

Chemical Name	4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane
Synonyms	1,4-Benzenediboronic acid dipinacol ester; AMTB185;
CAS No.	99770-93-1
Molecular Formula	C18H28B2O4
Molecular Weight	330.03500
PSA	36.92000
LogP	2.28500

Properties

Density	1.03g/cm3
Boiling Point	416.3ºC at 760mmHg
Melting Point	241-245ºC
Flash Point	205.6ºC
Refractive Index	1.49

Safety Info

HS Code	2934999090
Hazard Codes	Xi

Synthesis Route

4-Bromochlorobenzene+2,3-dimethylbutane-2,3-diol→4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane+2-(4-chlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4-Bromochlorobenzene+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane+4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolane
1,4-dichlorobenzene+4,4,5,5-tetramethyl-1,3,2λ<sup>2</sup>-dioxaborolane→4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane+4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolane

Precursor

2,3-dimethylbutane-2,3-diol
1,4-Diiodobenzene
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
1,4-Phenylenebisboronic acid

Downstream Product

1,4-bis(2-methylphenyl)benzene
1,3,5-Tris(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene
1,4-diphenylbenzene
1,4-bis(4-nitrophenyl)benzene

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