ChemicalBook--->CAS DataBase List--->20034-50-8

20034-50-8

20034-50-8 Structure

20034-50-8 Structure
IdentificationBack Directory
[Name]

4-CYCLOPROPYLBENZALDEHYDE
[CAS]

20034-50-8
[Synonyms]

AKOS BAR-1174
p-Cyclopropylbenzaldehyde
4-CYCLOPROPYLBENZALDEHYDE
Benzaldehyde,4-cyclopropyl-
[Molecular Formula]

C10H10O
[MDL Number]

MFCD06802398
[MOL File]

20034-50-8.mol
[Molecular Weight]

146.19
Chemical PropertiesBack Directory
[Boiling point ]

113 °C
[density ]

1.0512 g/cm3
[storage temp. ]

under inert gas (nitrogen or Argon) at 2-8°C
[Appearance]

Colorless to light yellow Liquid
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P271-P280
[HS Code ]

2902900000
Spectrum DetailBack Directory
[Spectrum Detail]

4-CYCLOPROPYLBENZALDEHYDE(20034-50-8)1HNMR
Hazard InformationBack Directory
[Synthesis]

4-Bromobenzaldehyde

1122-91-4

Cyclopropylboronic acid

411235-57-9

4-CYCLOPROPYLBENZALDEHYDE

20034-50-8

Using p-bromobenzaldehyde and cyclopropylboronic acid as starting materials, 4-cyclopropylbenzaldehyde was prepared by reacting 6-(4-bromophenyl)-3-((2-chlorophenyl)thio)-6-(thiophen-3-yl)piperidin-2,4-dione with 6-(4-bromophenyl)-3-((2-chlorophenyl)thio)-6-(thiophen-3-yl)piperidin-2,4-dione with reference to the method of Example 8 Step A. The method was carried out by substituting cyclopropylboronic acid as cyclohex-1-en-1-ylboronic acid. After completion of the reaction, the target product was obtained after post-treatment in 80% yield.

[References]

[1] Synthetic Communications, 2006, vol. 36, # 1, p. 121 - 128
[2] Patent: US2016/31892, 2016, A1. Location in patent: Paragraph 0187-0188
[3] Tetrahedron Letters, 2002, vol. 43, # 39, p. 6987 - 6990
[4] Patent: WO2015/140133, 2015, A1. Location in patent: Page/Page column 137
[5] Patent: WO2013/142269, 2013, A1. Location in patent: Paragraph 0721; 0722; 0723
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