Absolutely not. Trade him for the Luka's and Jokic's of the NBA, not for injured second options with obscene contracts.
Even if Brown was getting Sengun's same pay, Sengun is years younger with more upside to be better than Brown. Sengun is already at or near Brown's level, without the aid of starting within an elite front office, coaching, culture, alongside a 1A player Tatum like Brown did. Now that Sengun has stabilized front office & coaching with a 1A alpha like Durant, Sengun has a chance to improve more.