Cocatalytic activity in aldol reaction of a novel thiourea- and guanidinium-oxanorbornanes (CROSBI ID 721932)
Prilog sa skupa u zborniku | sažetak izlaganja sa skupa
Podaci o odgovornosti
Barešić, Luka ; Glasova, Zoran ; Margetić, Davor
engleski
Cocatalytic activity in aldol reaction of a novel thiourea- and guanidinium-oxanorbornanes
Norbornane structures and their oxaderivatives have rigid scaffold and are good mimics of secondary structures in polypeptides such as β-turn and β-hairpin. Norbornane motifs can serve as the inducers of well-defined hydrogen bonding patterns in peptides [1]. Hydrogen bond plays a crucial role in enzymes and small molecule organocatalysis. Thioureas and guanidines are two types of such organocatalysts [2, 3]. Aldol reactions catalysed with L-proline are known to show poor diastereoselectivity in formation of anti and syn adducts and can be improved by adding guanidinium salts or thioureas as cocatalysts [4, 5]. Herein we report a synthetic route to a novel thiourea and guanidinium oxanorbornanes and their activity in L-proline catalyzed aldol reaction.
Oxanorbornanes ; Guanidine ; Cocatalytic activity
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Podaci o prilogu
199-199.
2021.
objavljeno
Podaci o matičnoj publikaciji
27th Croatian Meeting of Chemists and Chemical Engineers and 5th Symposium Vladimir Prelog : Book of Abstracts
Marković, Dean ; Meštrović, Ernest ; Namjesnik, Danijel ; Tomašić, Vesna
Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI)
2757-0754
Podaci o skupu
27. hrvatski skup kemičara i kemijskih inženjera (27HSKIKI) ; 5. simpozij Vladimir Prelog
poster
05.10.2021-08.10.2021
Rovinj, Hrvatska