摘要 |
This invention relates to 3-sulfonate-4,5dihydro-1 H -pyrazole compounds of Formula (IIa). This invention also discloses preparation of compounds of Formula la comprising contacting a compound of Formula IIa with a compound of Formula HX 1 . This invention also discloses preparation of compounds of Formula (III) wherein X 1 , R 3 , R 6 , R 7 , R 8a , R 8b , and n are as defined in the disclosure. |