Benzenemethanamine, 4-bromo-N,N-bis(2-chloroethyl)- (9CI) → HCID 11752728, compound

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Reaction Steps

1-(4-Bromo-benzyl)-4-(4-prop-2-ynyloxy-benzenesulfonyl)-piperdine-4-carboxylic acid ethyl ester was prepared according to the general method as outlined in Example 1 (Step 6). Starting from (4-prop-2-ynyloxy-benzenesulfonyl)-acetic acid ethyl ester (21.62 g, 76.7 mmol) and (4-bromo-benzyl)-bis-(2-chloro-ethyl)-amine (31.9 g, 92 mmol), 23 g of the ester derivative was isolated. Yield: (58%); yellow oil; MS: 521.9 (M+H)+.

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