分子内水素結合に関する報告集です。
経口薬を目指すなら<3にはおさめたいかなと個人的には思います。
Theoretical hydrogen bonding parameters for drug design
How hydrogen bonds impact P-glycoprotein transport and permeability
The Low Barrier Hydrogen Bond in Enzymatic Catalysis
http://www.jbc.org/content/273/40/25529.full?sid=73a9c134-3ba4-4556-82e8-3aa6b457ff69
Are Short, Low-Barrier Hydrogen Bonds Unusually Strong?
https://pubs.acs.org/doi/10.1021/ar100097j
Intramolecular Hydrogen Bond Expectations in Medicinal Chemistry
https://pubs.acs.org/doi/abs/10.1021/acsmedchemlett.7b00002