"aimed not to" is correct and can be used in written English.
It is typically used to express something that someone intentionally tried or chose not to do. Here is an example: "The company's marketing campaign was aimed not to target a specific demographic, but to appeal to a wider audience."
Plus, he aimed not to suffer the fate of his father.
The studios had aimed not to send out any screeners, citing piracy fears, but relented after claims this would damage the chances of small, independent films.
After describing his unsatisfactory meeting with Nikita Khrushchev in Austria, Leaming writes, "Vienna promised to be his Munich," and then again: "As Churchill had," Kennedy aimed "not to start a war, but to prevent one".
But the political rhetoric of the time obscured the essential conservatism of the novel, which aimed not to displace or overthrow its beloved precursors, but to complete and to some extent correct them.
Beginning under the direction of Spencer R. Crew, this $110 million museum aimed not to dramatize the nature of African slavery, but to celebrate those who escaped and those who assisted them.
The dictionary aimed not to build a patriotic pantheon of heroes, nor compile a dry gazetteer of defunct office-holders, but to compose a reliable, panoramic portrait of the people who shaped the nation's life.
Businesses are naturally cost-conscious and aim not to spend money they don't need to.
"We are aiming not to create an ecosystem we can walk away from," Wilcken says.
Ironically, the one thing the falconers patrolling London aim not to do is kill pigeons.
Palliative treatment aims not to cure a disease but to relieve its symptoms.
It should reflect real power in the world, but aim not to reward anti-social behaviour.
