The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 83411-71-6, Name is Bis(2,4,4-trimethylpentyl)phosphinic acid, SMILES is O=P(CC(C)CC(C)(C)C)(CC(C)CC(C)(C)C)O, in an article , author is Demir, Ayhan S., once mentioned of 83411-71-6, Recommanded Product: Bis(2,4,4-trimethylpentyl)phosphinic acid.
New approaches to polysubstituted pyrroles and pyrrolinones from alpha-cyanomethyl-beta-ketoesters
In this present paper, we report the efficient, regioselective one-pot synthesis of 5-alkoxy and 5-alkylsulfanylpyrrole-3-carboxylates in high yields via the zinc perchlorate-catalyzed addition of alcohols and thiols to the nitrile carbon of alpha-cyanornethyl-beta-ketoesters followed by annulation. The addition-annulation process is undertaken in aqueous solution to give 4,5-dihydro-5-oxo-1H-pyrrole-beta-carboxylates (pyrrolinones) in good yields. These 4,5-dihydro-5-oxo-1H-pyrrole-3-carboxylates are also obtained by the hydrolysis of 5-alkoxypyrrole-3-carboxylates. (c) 2006 Elsevier Ltd. All rights reserved.
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Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem