scholarly journals Unusual Four-Bond Secondary H/D Isotope Effect Supports a Short−Strong Hydrogen Bond between Phospholipase A2and a Transition State Analogue Inhibitor†

Biochemistry ◽  
2005 ◽  
Vol 44 (12) ◽  
pp. 4748-4754 ◽  
Author(s):  
Chunhua Yuan ◽  
Shengjiang Tu ◽  
Michael H. Gelb ◽  
Ming-Daw Tsai
Biochemistry ◽  
2002 ◽  
Vol 41 (49) ◽  
pp. 14489-14498 ◽  
Author(s):  
Greg A. Kicska ◽  
Peter C. Tyler ◽  
Gary B. Evans ◽  
Richard H. Furneaux ◽  
Wuxian Shi ◽  
...  

2018 ◽  
Vol 713 ◽  
pp. 117-120 ◽  
Author(s):  
Hai Xu ◽  
Ting Luo ◽  
Han Wu ◽  
Lv-Bing Yuan ◽  
Si-Qi Zhao ◽  
...  

1987 ◽  
Vol 52 (11) ◽  
pp. 2673-2679 ◽  
Author(s):  
Oľga Hritzová ◽  
Peter Kutschy ◽  
Ján Imrich ◽  
Thomas Schöffmann

N-(3-Chloro-2-benzo[b]thienocarbonyl)-N'-monosubstituted thiourea derivatives undergo photocyclizations with lower yields than those obtained from analogous N',N'-disubstituted derivatives. This decreased reactivity is caused by the existence of a six-membered cyclic form with the very strong hydrogen bond NH···O=C. The possibility of formation of various conformers has been found with N-(2-benzo[b]thienocarbonyl)-N'-monosubstituted thiourea derivatives as a consequence of the rotation around the C(2)-C(O) connecting line.


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