Evidence for rate limiting C-H bond cleavage in the leuckart reaction
作者:Peter I. Awachie、Vincent C. Agwada
DOI:10.1016/s0040-4020(01)89758-1
日期:1990.1
A rho value of +0.21 is reported for the reaction of mono 4-substi- tuted benzophenones with formamide. This, in conjunction with a kinetic iso- tope effect value of 1.80 obtained for the system, suggests a rate-limiting C-H bond cleavage.
A novel pyrrolopyridine derivative which is a compound represented by the formula
wherein Ring A represents an optionally substituted pyridine ring; X represents an electron-attracting group; Y represents an optionally substituted divalent C
1-6
chain hydrocarbon group; R
1
represents an optionally substituted hydrocarbon group; and R
2
and R
3
each independently represents hydrogen, an optionally substituted hydrocarbon group or an optionally-substituted heterocyclic group, or R
2
and R
3
may form an optionally substituted ring in cooperation with the adjacent nitrogen atom, or a salt of the compound. The pyrrolopyridine derivative has vanilloid receptor agonist activity and is useful as medicines such as a preventive/therapeutic agent and analgesic for overactive bladder.
A novel pyrrolopyridine derivative which is a compound represented by the formula
wherein Ring A represents an optionally substituted pyridine ring; X represents an electron-attracting group; Y represents an optionally substituted divalent C1-6 chain hydrocarbon group; R1 represents an optionally substituted hydrocarbon group; and R2 and R3 each independently represents hydrogen, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, or R2 and R3 may form an optionally substituted ring in cooperation with the adjacent nitrogen atom, or a salt of the compound. The pyrrolopyridine derivative has vanilloid receptor agonist activity and is useful as medicines such as a preventive/therapeutic agent and analgesic for overactive bladder.