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RETINYLIDENE SCHIFF-BASES IN PHOSPHATIDYLCHOLINE REVERSE MICELLES - FORMATION, PROTONATION AND STABILITY

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Title RETINYLIDENE SCHIFF-BASES IN PHOSPHATIDYLCHOLINE REVERSE MICELLES - FORMATION, PROTONATION AND STABILITY
 
Creator KAPIL, MM
SINGH, AK
 
Subject solubilized water pools
inverted micelles
rhodopsin
heptane
 
Description All-trans-N-retinylidene-n-butylamine 3 has been formed in inverted micelles of phosphatidylcholine (PC)-hexane containing varying amounts of water ([H2O]/[PC] = 0-3) and the formation, protonation and stability have been studied. The micelles have been found to catalyse the Schiff-base formation. The Schiff-base was found to be stable in the presence of structured water molecules bonded to the polar head groups of the micelles. A larger water-pool causes the decomposition of the Schiff-base. Schiff-base 3 intercalated in the inverted micelle was found to undergo protonation in the presence of 3-chloropropionic acid, the extent of which depended on the water-pool size. The results are discussed in terms of the formation, protonation and stability of retinylidene Schiff-base chromophores in rhodopsins.
 
Publisher ROYAL SOC CHEMISTRY
 
Date 2011-08-28T16:51:54Z
2011-12-26T12:58:07Z
2011-12-27T05:47:32Z
2011-08-28T16:51:54Z
2011-12-26T12:58:07Z
2011-12-27T05:47:32Z
1991
 
Type Article
 
Identifier JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, (11), 1785-1789
0300-9580
http://dx.doi.org/10.1039/p29910001785
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11792
http://hdl.handle.net/10054/11792
 
Language en