The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 150728-13-5, Name is 4,6-Dichloro-5-(2-methoxyphenoxy)-2,2′-bipyrimidine, SMILES is ClC1=NC(=NC(=C1OC2=C(C=CC=C2)OC)Cl)C3=NC=CC=N3, in an article , author is Naikoo, Rayees Ahmad, once mentioned of 150728-13-5, Name: 4,6-Dichloro-5-(2-methoxyphenoxy)-2,2′-bipyrimidine.
7-Endo-trig Pictet-Spengler type cyclization of 5-alkylidene/arylidene-amino-3H-pyrimidin-4-ones: An efficient and diastereoselective synthesis of pyrimido[4,5-b] [1,4]benzodiazepines
The manuscript describes an efficient, atom economical synthesis of pyrimido[4,5-b][1,4]benzodiazepin-4-ones by relatively unexplored 7-endo-trig Pictet-Spengler type cyclisations. The synthetic methdodlogy involves the synthesis of different variants of 5-arylidene-amino-3H-pyrimidines and their p-toluene sulfonic acid mediated 7-endo-trig Pictet-Spengler type cyclisations to afford biologically relavent functionalized benzodiazepine condensed pyrimidinones such as pyrimido[4,5-b][1,4]benzodiazepines in good to excellent yields (82-94%).
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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia