Upadacitinib Intermediate

Product classification

item	Product Name	CAS No.	item	Product Name	CAS No.
1	N-[5-[(4-Methylphenyl)sulfonyl]-5H-pyrrolo[2,3-b]pyrazin-2-yl]carbamic acid ethyl ester	1869118-24-0	2	(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylicacid phenylmethyl ester	1428243-26-8
3	(3R,4S)-3-(N-(ethoxycarbonyl)-N-(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)glycyl)-4-ethylpyrrolidine-1-carboxylate	2050038-81-6	4	(3S,4R)-benzyl 3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)pyrrolidine-1-carboxylate	2095311-51-4
5	N-[5-[(4-Methylphenyl)sulfonyl]-5H-pyrrolo[2,3-b]pyrazin-2-yl]carbamic acid ethyl ester	1869118-24-0	6	(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylicacid phenylmethyl ester	1428243-26-8
7	(3R,4S)-3-(N-(ethoxycarbonyl)-N-(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)glycyl)-4-ethylpyrrolidine-1-carboxylate	2050038-81-6	8	(3S,4R)-benzyl 3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)pyrrolidine-1-carboxylate	2095311-51-4
9	Tert-butyl 5-tosyl-5h-pyrrolo[2,3-b]pyrazin-2-ylcarbamate	1201187-44-1	10	(3R,4S)-3-(2-bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester	1428243-26-8