Toluene → N-Pentyl-N-[2'-(2-trityl-2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]carbamoyl Chloride

HRID 1173082Notes

Reaction equation

[CH2:1]([NH:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[C:20]2[N:24](C(C3C=CC=CC=3)(C3C=CC=CC=3)C3C=CC=CC=3)[N:23]=[N:22][N:21]=2)=[CH:10][CH:9]=1)[CH2:2][CH2:3][CH2:4][CH3:5].[OH-].[Na+].[C:46]([Cl:49])(Cl)=[O:47].[C:50]1([CH3:56])[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=1>O>[CH2:1]([N:6]([CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[C:20]2[N:24]=[N:23][N:22]([C:56]([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)([C:8]3[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=3)[C:50]3[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=3)[N:21]=2)=[CH:10][CH:9]=1)[C:46]([Cl:49])=[O:47])[CH2:2][CH2:3][CH2:4][CH3:5]

Participants

Conditions

Temperature: -5 °C

Procedure

Pentyl[2′-(1-trityl-1H-tetrazol-5-yl)biphenyl-4-ylmethyl]amine (2.9 g, 5.1 mmol) was dissolved in a mixture of toluene (30 mL), water (12 mL) and NaOH (5 equiv). The mixture was cooled to −5° C., and a solution of phosgene in toluene (20% w/w, 3 equiv) was added portionwise. The mixture was stirred vigorously for 0.75 hour at −5° C. The layers were then allowed to separate, the organic layer dried over Na2SO4, and the solvent evaporated to afford the title compound (3.2 g, 5.1 mmol), which was used without further purification.

Workup

customto separate
dry with materialthe organic layer dried over Na2SO4
customthe solvent evaporated

Sources & evidence

ORD record: ord-3413eaf48af94a28bd18b9270fc38c34
Source dataset: uspto-grants-2010_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07834041B2

Reaction notes

Loading…