1,3-Benzodioxole,5-propyl-
1,3-Benzodioxole,5-propyl-
CAS: 94-58-6
Molecular Formula: C19H26O2
1,3-Benzodioxole,5-propyl- - Names and Identifiers
1,3-Benzodioxole,5-propyl- - Physico-chemical Properties
| Molecular Formula | C19H26O2 |
| Molar Mass | 286.41 |
| Density | 1.095 |
| Boling Point | 233.1 °C at 760 mmHg |
| Flash Point | 99.3 °C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.533 |
1,3-Benzodioxole,5-propyl- - Analysis of dihydrosafrole by gas chromatography
from VIP Journal Professional Edition
Author:
Abstract:
The content of dihydrosafrole in dihydrosafrole oil was determined by gas chromatography with DEGS as stationary liquid and biphenyl as internal standard. The standard deviation of this method was 0.418. The coefficient of variation was 0.452%.Key words:
gas chromatograph dihydrosafrole pesticide potentiator intermediate
DOI:
CNKI:SUN:GDHG.0.1999-01-019
cited:
year:
1999
Last Update：2024-01-02 23:10:35
1,3-Benzodioxole,5-propyl- - Synthesis and characterization of dihydrosafrole
from VIP Journal Professional Edition
Author:
Li Yibiao , Huang Guorong , Luo Xianglin
Abstract:
In this paper, dihydrosafrole was synthesized from 3-bromopiperylene and bromopropane by nickel catalytic reduction cross-coupling method. The yield was 87%, it was characterized by gas chromatography-mass spectrometry and nuclear magnetic resonance.
Key words:
nickel catalyzed cross-coupling dihydrosafrole
DOI:
CNKI:SUN:GDHG.0.2016-14-033
year:
2016
Last Update：2023-08-16 22:05:47
1,3-Benzodioxole,5-propyl- - Preparation Method of dihydrosafrole
from Palm Bridge research
patent type:
invention patent
Application (patent) number:
CN201110024281.0
application date:
20110122
Public/Announcement Number:
CN102070596A
Public/announcement date:
20110525
applicant (patent):
Zhejiang University
inventor:
Chen Xinzhi , Wang Shuai , Qian Chao
National and provincial code:
CN330106
Abstract:
The invention discloses a preparation method of dihydrosafrole, which takes pepper ring and propionyl chloride as starting materials, and comprises the following steps: 1) Friedel-Crafts acylation reaction of pepper ring: pepper ring and propionyl chloride are reacted under the catalysis of Lewis acid catalyst in solvent I. After the reaction is finished, ice water is added and the phase is separated, the organic phase located in the lower layer was washed with water and the solvent was removed by evaporation, to obtain piperonyl ethyl ketone; 2) reduction reaction of piperonyl ethyl ketone by Wolff-Kishner-huangminglong: the piperonyl ethyl ketone and hydrazine hydrate solution with the mass concentration of 80 ~ 90% are refluxed in solvent II for hydrazone reaction, and then polyethylene glycol -400 and potassium hydroxide are added for hydrazone decomposition reaction; dihydrosafrole. The dihydrosafrole prepared by the method has the characteristics of high product yield, mild process conditions, simple operation and the like.
Last Update：2023-08-16 22:05:47
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View History
1,3-Benzodioxole,5-propyl-
2,4-二氯氟苯
benzyldimethyl[2-[(1-oxoallyl)oxy]ethyl]ammonium chloride
DISODIUM 2,4 DISULFO BENZALDEHYDE
(S)-2-HYDROXY-3-PHENYL-PROPIONIC ACID-METHYL ESTER
4-(6-羟基己-1-炔-1-基)苯甲酸甲酯
3,5,5-Trimethylhexanoic acid
2,4-二氯氟苯
benzyldimethyl[2-[(1-oxoallyl)oxy]ethyl]ammonium chloride
DISODIUM 2,4 DISULFO BENZALDEHYDE
(S)-2-HYDROXY-3-PHENYL-PROPIONIC ACID-METHYL ESTER
4-(6-羟基己-1-炔-1-基)苯甲酸甲酯
3,5,5-Trimethylhexanoic acid