Synthetic Route of 77542-18-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.77542-18-8, Name is 1-Ethyl-1-methyl-4-oxopiperidin-1-ium iodide, molecular formula is C8H16INO. In a Patent，once mentioned of 77542-18-8
Disclosed are compounds of Formula (I) or a salt thereof; wherein: X is N or CH; Q1 is: (i) C1, Br, I, -CN, -CH3, or -CF3; (ii) a 5-membered heteroaryl selected from pyrrolyl, pyrazolyl, imidazolyl, oxazolyl, thiazolyl, triazolyl, oxadiazolyl, and thiadiazolyl; (iii) a 6?membered heteroaryl selected from pyridinyl, pyridazinyl, and pyrimidinyl; or (iv) a bicyclic heteroaryl selected from indolyl, pyrrolopyridinyl, pyrazolopyridinyl and benzo[d]oxazolyl; wherein each of said 5-membered, 6-membered, and bicyclic heteroaryl is substituted with zero to 1 Ra and zero to 1 Rb; and R1, R2, R3, R4, R5, R6, Ra, and Rb are defined herein. Also disclosed are methods of using such compounds as modulators of PI3K, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing inflammatory and autoimmune diseases.
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Reference：
Piperidine – Wikipedia,
Piperidine | C5H21726N – PubChem