Insect repellent compounds and compositions, and methods thereof
申请人:Iowa State University Research Foundation, Inc.
公开号:US11485701B2
公开(公告)日:2022-11-01
The present invention relates to monoterpenoid and phenylpropanoid containing derivative compounds, methods of making the compounds, compositions comprising the compounds, and methods of repelling pests using the compounds and/or compositions.
Lemongrass is a popular Asian herb having a lemon-like flavor. Very recently, potent tyrosinase inhibitory activity has been found in lemongrass in addition to various biological activities reported in the literature. The aim of the present study is to identify the active compounds in the lemongrass. An assay-guided purification revealed that one-of the active substances was geranic acid. Geranic acid has two stereoisomers, which are responsible for the trans and cis geometry on the conjugated double bond. Both isomers are present in the active ethyl acetate-soluble extract of the lemongrass, and their IC50 values were calculated to be 0.14 and 2.3 mM, respectively. The structure requirement of geranic acid for the potent tyrosinase inhibitory activity was investigated using geranic acid-related compounds.
INSECT REPELLENT COMPOUNDS AND COMPOSITIONS, AND METHODS THEREOF
申请人:Iowa State University Research Foundation, Inc.
公开号:US20190047937A1
公开(公告)日:2019-02-14
The present invention relates to monoterpenoid and phenylpropanoid containing derivative compounds, methods of making the compounds, compositions comprising the compounds, and methods of repelling pests using the compounds and/or compositions.
Efficient Aerobic Oxidation of Acetals to Esters Catalyzed by<i>N</i>-Hydroxy phthalimide (NHPI) and Co(II) under Mild Conditions
作者:Babak Karimi、Jamshid Rajabi
DOI:10.1055/s-2003-42396
日期:——
Efficient oxidation of a variety of structurally diverse acetals, including open-chain acetals, 1,3-dioxanes, 1,3-dioxalanes, with molecular oxygen using catalytic amounts of N-hydroxyphthalimide (NHPI) in the presence of Co(OAc)2 as co-catalyst was investigated.