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|Table of Contents|

7-芳亚甲基异长叶烷酮类化合物的合成及其 紫外吸收特征(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2016年02期
Page:
88-94
Column:
研究论文
publishdate:
2016-03-30

Article Info:/Info

Title:
Synthesis and ultraviolet absorption characteristics of 7-arylidene-isolongifolanene
Article ID:
1000-2006(2016)02-0088-07
Author(s):
RUI Jian1XU Xu1 2 4YANG Yiqing3HUANG Jianfeng1WANG Shifa134*
1. College of Chemical Engineering, Nanjing Forestry University,Nanjing 210037,China;
2. Jiangsu Key Laboratory Biomass Green Fuels and Chemicals, Nanjing 210037,China;
3. College of Light Industry Science and Engineering, Nanjing Forestry Un
Keywords:
isolongifolanone 7-arylidene-isolongifolanone ultraviolet absorption lightstability
Classification number :
TQ450
DOI:
10.3969/j.issn.1000-2006.2016.02.015
Document Code:
A
Abstract:
A series of 7-arylidene-isolongifolanone a—j were synthesized by condensation of isolongifolanone with aromatic aldehydes including 4-bromobenzaldehyde, 4-fluorobenzaldehyde, 3-nitrobenzaldehyde, 2,4-dichlorobenzaldehyde under catalyzation of potassium tert-butoxide. The structures of compounds a—j were identified by means of 1H NMR, 13C NMR, GC-MS and FT-IR, and their ultraviolet absorption characteristics as well as light stabilities were also investigated. The results showed that compounds a, b, c, d and j exhibited good absorbency as the medium-wave ultraviolet(UVB)type absorbents,and compounds e, f, g, h and i had both functions as long-wave ultraviolet(UVA)and UVB absorbents. The light stability sequence of those compounds was h>g>e>c>a>d>b>f>i>j. The UV absorption intensity was d>i>e>h>g>f>b>c>j>a.

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Last Update: 2016-04-01