Nope. Because the content itself is not the same. Your explanation would be more mashed up than mine. You don't even have Scripture that the 7th trumpet happens in those chapters.
Parallel Teachings Of Tge Same Evebt (The End)
There is no time beyond the 7th Angel/Trump and the final judgment seen in verse 18 (The End)
Revelation 11:15-18KJV
15 And
the seventh angel sounded; and there were great voices in heaven, saying, The kingdoms of this world are become the kingdoms of our Lord, and of his Christ; and he shall reign for ever and ever.
16 And the four and twenty elders, which sat before God on their seats, fell upon their faces, and worshipped God,
17 Saying, We give thee thanks, O Lord God Almighty, which art, and wast, and art to come; because thou hast taken to thee thy great power, and hast reigned.
18
And the nations were angry, and thy wrath is come, and the time of the dead, that they should be judged, and that thou shouldest give reward unto thy servants the prophets, and to the saints, and them that fear thy name, small and great; and shouldest destroy them which destroy the earth.
There is no time beyond "It Is Done" this represents the second coming (The End)
Revelation 16:15-17KJV
15
Behold, I come as a thief. Blessed is he that watcheth, and keepeth his garments, lest he walk naked, and they see his shame.
16 And he gathered them together into a place called in the Hebrew tongue Armageddon.
17 And the seventh angel poured out his vial into the air; and there came a great voice out of the temple of heaven, from the throne, saying,
It is done.