Re: Boxing type punches
IMHO, enter deep, off the attack line, Irimi-nage, Sayu-undo, and if you can control the elbow on th retratcion take it to the rear kuzushi (balance) point. Jabs can also be slapped down into Kaiten-nage.
Actually, there are ways to make almost any waza (technique) work if you apply the concepts and practice. Jab, cross, hook, and uppercuts are just another atemi (strike).
Go to the dojo and play with it until you figure it out. Have fun.