[EN] TRANS-CYCLOHEPTENES AND HETERO-TRANS-CYCLOHEPTENES FOR BIOORTHOGONAL COUPLING<br/>[FR] TRANS-CYCLOHEPTÈNES ET HÉTÉRO-TRANS-CYCLOHEPTÈNES POUR COUPLAGE BIOORTHOGONAL
申请人:UNIV DELAWARE
公开号:WO2016164565A1
公开(公告)日:2016-10-13
A substituted trans-cycloheptene according to formula (I); wherein : a) Z and L are each selected from the group consisting of SiR1R2, CH2, CHOH, and CHR2; R1 is phenyl or CH3; R2 is phenyl, CH3, (CH2)nCN, or (CH2)nOH, wherein n is an integer from 1 to 5; Ra and Rb are each individually selected from the group consisting of H, OH, and CH3; and Z and L are not both SiR1R2; or b) Z is BocN, L is CH2, Ra is H, and Rb is H; or c) Z is C=0, L is CH2, Ra is H, and Rb is H.
Method for producing anellated tetrahydro-{1h}-triazoles
申请人:——
公开号:US20040097728A1
公开(公告)日:2004-05-20
The present invention relates to a process for preparing fused tetrahydro-[
1
H]-triazoles of the formula I
1
where the variables R
a
, Z, Z
1
, X, W, n and Q are as defined in claim 1, by cyclization of compounds of the formula II
2
where R is C(X)OR
2
or C(X)SR
2
, where X is oxygen or sulfur, and R
2
is as defined in claim 1, in the presence of a base.
The invention also relates to compounds of the formula I where W is sulfur if Z is a methylene group optionally substituted by R
a
, and furthermore to compounds of the formula I where Q is a benzoxazole or benzothiazole radical, and to the use of these compounds as herbicides.
selectivity in palladium-catalyzedacetoxylation of substituted cycloalkenes and linear alkenes, the influence of added strong acids has been studied. It was found that the product selectivity can be increased in some cases, but also that side reactions lower the total yields when trifluoroacetic or stronger acids are used. The improvement of the selectivity may possibly be due to a change in mechanism for the
Remote functionalisation by ferrous ion-cupric ion induced decomposition of alkyl hydroperoxides
作者:Ž. Čekovió、Lj. Dimttruević、G. Djokić、T. Srnić
DOI:10.1016/s0040-4020(01)88972-9
日期:1979.1
By decomposition of alkyl hydroperoxides 1-8 with ferrous sulfate-cupric acetate reagent, intramolecular functionalisation of remote non-activated C atom takes place and unsaturated alcohols with double bond mainly at δ-position are obtained. The reaction proceeds involving the corresponding alkoxy radical 9 and δ-carbon radical 10 as intermediates. One-electron oxidative interception of δ-carbon radical
通过用硫酸亚铁-乙酸亚铜试剂分解氢过氧化物烷基1-8,进行远程未活化C原子的分子内官能化,并获得主要在δ位具有双键的不饱和醇。反应进行,其中包含相应的烷氧基自由基9和δ-碳自由基10作为中间体。乙酸铜单电子氧化δ-碳自由基不涉及相应的碳离子;取而代之的是,形成烷基铜中间体11,并通过消除得到烯烃醇。发现该消除过程的同位素效应为k h / k d = 6.1。
[EN] NEW TRICYCLIC DERIVATIVES AS LTD4 ANTAGONISTS<br/>[FR] NOUVEAUX DERIVES TRICYCLIQUES EN TANT QU'ANTAGONISTES DE LTD4
申请人:ALMIRALL PRODESFARMA SA
公开号:WO2004043966A1
公开(公告)日:2004-05-27
Compounds of formula (I) and their pharmaceutically acceptable salts are provided as well as processes for the manufacture of such compounds. The compounds are useful in the treatment or prevention of inflammatory and allergic diseases.