{(3S,4S)-3-[(5-chloro-thiophene-2-carbonyl)-amino]-4-methoxy-pyrrolidin-1-yl}-acetic acid ethyl ester → 5-chloro-thiophene-2-carboxylic acid {(3S,4S)-4-methoxy-1-[(5-methyl-4,5,6,7-tetrahydro-thiazolo[5,4]pyridin-2-ylcarbamoyl)-methyl]-pyrrolidin-3-yl}-amide

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Reaction Steps

In analogy to example 25.3 {(3S,4S)-3-[(5-chloro-thiophene-2-carbonyl)-amino]-4-methoxy-pyrrolidin-1-yl}-acetic acid ethyl ester (example 25.2) was reacted with 5-methyl-4,5,6,7-tetrahydro-thiazolo[5,4]pyridin-2-ylamine (CAS 17899-48-8) to give 5-chloro-thiophene-2-carboxylic acid {(3S,4S)-4-methoxy-1-[(5-methyl-4,5,6,7-tetrahydro-thiazolo[5,4]pyridin-2-ylcarbamoyl)-methyl]-pyrrolidin-3-yl}-amide as yellow solid. MS 470.5 ([M+H]+)

Provenance & Evidence