Cyclisation of optically active dihydromyrcenes (2,6-dimethyl-2,7-octadiene)
作者:H.R. Ansari
DOI:10.1016/s0040-4020(01)83397-4
日期:1973.1
The isomeric (+) and (−)-dihydromyrcene cyclise in organic acids through a stereospecific ring contraction process to give the esters of α-(S)-(+)-1-(α-hydroxyethyl)-3,3-dimethylcyclohexane and α(R)-(−)-1-(α-hydroxyethyl)-3,3-dimethylcyclohexane respectively. Small amounts of enantiomeric cis- and trans-tetrahydroeucarvyl esters are also formed. The absolute configuration of the chiral carbinol centres
The invention encompasses novel compounds and pharmaceutically acceptable derivatives thereof, pharmaceutical compositions and methods for treatment of diseases mediated by B1 bradykinin receptor.
Use of shift reagent with MTPA derivatives in19F NMR spectrocopy: IV—Determination of enantiomeric composition for a variety of secondary cycloalkanols. A survey
作者:E. M. Merckx、J. A. Lepoivre、G. L. Lemière、F. C. Alderweireldt
DOI:10.1002/omr.1270210609
日期:1983.6
AbstractChiral secondary cycloalkanols (monocyclic alcohols) are derivatized to the corresponding (R)‐α‐methoxy‐α‐trifluoromethyl‐α‐phenylacetic acid [(R)‐MTPA] esters and analysed by 19F NMR in the presence of tris(6,6,7,7,8,8,8‐heptafluoro‐2,2‐dimethyl‐3,5‐octanedionato) europium(III) [Eu(fod)3]. Using this method the enantiomeric composition can be measured for several cyclopentanols, cyclohexanols and cycloheptanols, with a variety of substitution patterns. It is shown that a mixture of four stereoisomeric cycloalkanols, such as cis and trans disubstituted alcohols, can be analysed simultaneously.
METHOD TO TREAT SICKLE CELL DISEASE
申请人:Linden M. Joel
公开号:US20080009460A1
公开(公告)日:2008-01-10
The present invention provides a therapeutic method for treating an inflammatory response caused by a sickle cell crisis, comprising administration of an effective amount amount of an A
2A
adenosine receptor agonist. Optionally, the method includes administration of a type IV PDE inhibitor (e.g., rolipram).
METHOD TO TREAT GASTRIC LESIONS
申请人:Linden M. Joel
公开号:US20080027022A1
公开(公告)日:2008-01-31
The present invention provides a therapeutic method for treating gastric lesions, including administration to a patient in need thereof of an effective amount of an A
2A
adenosine receptor agonist. The A
2A
adenosine receptor agonist can be a compound of formula (I) as disclosed herein. The invention further provides a therapeutic method for treating the patient with an A
2A
adenosine receptor agonist, optionally, in combination with a Type IV phosphodiesterase (PDE) inhibitor. In one embodiment, the gastric lesions are caused by, or aggravated by, the use of NSAIDS such as, for example, aspirin.