反応 #619151

ord-f3c74b3a302c4412bcced30aa70a1ca2

反応方程式

O=Cc1cnc(NC(=O)N(C2CCCCC2)C2CCCCC2)s1
1,1-dicyclohexyl-3-(5-formyl-thiazol-2-yl)-urea
Cl.O=C(OCc1ccccc1)C1CCNC1
pyrrolidine-3-carboxylic acid benzyl ester hydrochloride
CC(=O)O[BH-](OC(C)=O)OC(C)=O.[Na+]
sodium triacetoxyborohydride
→
O=C(OCc1ccccc1)C1CCN(Cc2cnc(NC(=O)N(C3CCCCC3)C3CCCCC3)s2)C1
desired product
収率 50.0%
O=C(OCc1ccccc1)C1CCN(Cc2cnc(NC(=O)N(C3CCCCC3)C3CCCCC3)s2)C1
1-[2-(3,3-Dicyclohexyl-ureido)-thiazol-5-ylmethyl]-pyrrolidine-3-carboxylic acid benzyl ester
収率 50.0%

反応物

O=Cc1cnc(NC(=O)N(C2CCCCC2)C2CCCCC2)s1
1,1-dicyclohexyl-3-(5-formyl-thiazol-2-yl)-urea
Cl.O=C(OCc1ccccc1)C1CCNC1
pyrrolidine-3-carboxylic acid benzyl ester hydrochloride
CC(=O)O[BH-](OC(C)=O)OC(C)=O.[Na+]
sodium triacetoxyborohydride

試薬

なし

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他Prepared

実験手順

Prepared as described in general procedure (P) using 1,1-dicyclohexyl-3-(5-formyl-thiazol-2-yl)-urea (67 mg. 0.20 mmol), pyrrolidine-3-carboxylic acid benzyl ester hydrochloride (50 mg, 0.25 mmol) and sodium triacetoxyborohydride (55 mg, 0.26 mmol) to afford 52 mg (50%) of the desired product after purification.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: USRE045183E1uspto-grants-2014_10