Reaction #619174

ord-b886cf05b9dc4c5292989be9296a6060

Reaction equation

CC(=O)O[BH-](OC(C)=O)OC(C)=O.[Na+]
sodium triacetoxyborohydride
CC1CCC(N(C(=O)Nc2ncc(C=O)s2)C2CCN(C(=O)OC(C)(C)C)CC2)CC1
4-[3-(5-formyl-thiazol-2-yl)-1-(4-methyl-cyclohexyl)-ureido]-piperidine-1-carboxylic acid tert-butyl ester
Cl.NS(=O)(=O)CCN1CCNCC1
piperazine ethane sulfonamide hydrochloride
CCN(CC)CC
triethyl amine
→
CCS(=O)(=O)N1CCN(Cc2cnc(NC(=O)N(C3CCC(C)CC3)C3CCN(C(=O)OC(C)(C)C)CC3)s2)CC1
desired product
Yield 58.0%
CCS(=O)(=O)N1CCN(Cc2cnc(NC(=O)N(C3CCC(C)CC3)C3CCN(C(=O)OC(C)(C)C)CC3)s2)CC1
4-[3-[5-(4-Ethanesulfonyl-piperazin-1-ylmethyl)-thiazol-2-yl]-1-(4-methyl-cyclohexyl)-ureido]-piperidine-1-carboxylic acid tert-butyl ester
Yield 58.0%

Reactants

CC(=O)O[BH-](OC(C)=O)OC(C)=O.[Na+]
sodium triacetoxyborohydride
CC1CCC(N(C(=O)Nc2ncc(C=O)s2)C2CCN(C(=O)OC(C)(C)C)CC2)CC1
4-[3-(5-formyl-thiazol-2-yl)-1-(4-methyl-cyclohexyl)-ureido]-piperidine-1-carboxylic acid tert-butyl ester
Cl.NS(=O)(=O)CCN1CCNCC1
piperazine ethane sulfonamide hydrochloride
CCN(CC)CC
triethyl amine

Reagents

None

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    OtherPrepared

Procedure

Prepared as described in general procedure (P) using 4-[3-(5-formyl-thiazol-2-yl)-1-(4-methyl-cyclohexyl)-ureido]-piperidine-1-carboxylic acid tert-butyl ester (200 mg, 0.45 mmol), piperazine ethane sulfonamide hydrochloride (125 mg, 0.58 mmol), triethyl amine (80 μL, 0.58 mmol) and sodium triacetoxyborohydride (113 mg, 0.53 mmol) to afford 160 mg (58%) of the desired product after purification.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: USRE045183E1uspto-grants-2014_10