具有2-苯基苯并吡喃结构的也称为花青素类色素，为花色索的基元，2 -苯基苯并吡喃酮也称花黄素类。
With 2 - phenyl benzo - pyran structure, also known as anthocyanin pigments, the base element for the flower pigments, 2 - phenyl - benzo - pyrone, also known as anthoxanthin class.
方法：以2-对甲苯基苯甲腈为原料，经碱性水解和酸化反应制备2-对甲苯基苯甲酸，并对水解反应条件进行探究。
Methods:Starting from 2-p-tolylben-zonitrile, via basic hydrolysis and acidification, 2-p-tolylbenzoic acid was prepared. Results:The optimal hydrolysis conditions were established.
通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。
The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
冰片基氯化镁与二苯酮的反应产物是二苯基冰片基甲醇、二苯基甲醇和它的氧化产物冰片烯。
The reaction products of bornyl magnesium chloride with diphenyl ketone are diphenyl bornyl carbinol, diphenyl carbinol and its corresponding oxidation product, bornylene.
苯基单价有机基因，c6h5，通过去掉一个氢原子而从苯中提炼出来。
The univalent organic radical C6H5, derived from benzene by removal of one hydrogen atom.
实验组经胃一次性灌入2 ，4-二氯苯基-P-硝基苯醚，对照组经胃灌入等量食用油。
In control group, the same dose of oil was given without 2,4 dichlorophenyl P nitrophenyl.
由苯与异丁酰氯在无水三氯化铝作催化剂的条件下制备苯基异丙基酮。
Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.
二氢-2-甲基-4-苯基-1，5-苯并硫氮杂卓与重氮乙酸乙酯反应，得到非预期的分子内重排的开环产物。
From the reaction of 2,3 dihydro 2 methyl 4 phenyl 1,5 benzothiazepines with diazozcetic ester an unexpected ring open product of the intramolecular rearrangement was obtained.
目的：针对枸杞子的抗氧化作用，尝试建立基于清除有机自由基1，1-二苯基苦基苯肼（DPPH）的枸杞子质量控制方法。
Objective: To establish a quality control method for fructus lycii based on its antioxidation scavenging 1, 1-diphenyl-2- picrylhydrazyl (DPPH).
用高荧光染料的5 ，6 ，11，12 四苯基四苯并对8 羟基喹啉铝进行掺杂，测量其光致发光和电致发光谱。
The PL and EL spectra of 5,6,11,12-tetraphenyl-tetracene doped 8-hydroxyquinoline are measured.
一个是亚磷酸三苯酯臭氧化合物，另一个是3-（4-硝基苯磺酰基）-2-苯基-2-硫代-1，3，2-恶唑磷啉。
One is triphenyl phosphite ozonide, the other is 3-(4-nitrophenylsulfonyl)-2-phenyl-2-thioxo-1,3,2-oxazaphospholidine.
一个是亚磷酸三苯酯臭氧化合物，另一个是3-（4-硝基苯磺酰基）-2-苯基-2-硫代-1，3，2-恶唑磷啉。
One is triphenyl phosphite ozonide, the other is 3-(4-nitrophenylsulfonyl)-2-phenyl-2-thioxo-1,3,2-oxazaphospholidine.
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