N. Karashima

Synthesis of 1- and 3-(1-substituted 4-piperidinyl)-1,2,3,4-tetrahydro-2-oxoquinazolines as potential antihypertensive agents.

K. Kubo, Y. Kasuya, K. Shigenobu, 1985, Chemical & pharmaceutical bulletin.

Spiropiperidines. I. Synthesis of 1'-substituted spiro[4H-3,1-benzoxazine-4,4'-piperidin]-2(1H)-one derivatives and evaluation of their antihypertensive activity.

K. Kubo, Y. Kasuya, K. Shigenobu, 1985, Chemical & pharmaceutical bulletin.