Try reading 2 Thess 2:6-8 from "The Interlinear Greek-English NT":
6. and now the restraining you know, for the to be revealed in the of him time.
7. For the mystery already operates of lawlessness only the restraining just now until out of the midst it comes.
8. And then will be revealed the lawless one whom the Lord Jesus will destroy by the spirit of the mouth of him and bring to nothing by the outshinning of the presence of him.
From these verses which speak of the lawless one who is coming, a new rapture doctrine is somehow found in verse 7 which speaks of the lawless one coming out of the midst of humanity.
2 Thess 2:6-8 correctly reads as follows:
And you know what restrains anti-christ now, so that in his time he will be revealed. For the mystery of lawlessness is already at work; only God who now restrains will do so until anti-christ arrises out of the midst. Then that lawless one will be revealed whom the Lord will slay with the breath of His mouth and bring to an end by the appearance of His coming;