Ethyl Bromide → (4R,9aR)-6-Difluoromethyl-7-ethoxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

HRID 1272141Notes

Reaction equation

[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH:22]([F:24])[F:23])=[C:14]([CH2:25][OH:26])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH2:29](Br)[CH3:30]>>[C:1]([O:5][C:6]([N:8]1[CH2:20][C@@H:19]([CH3:21])[N:18]2[C@H:10]([CH2:11][C:12]3[C:17]2=[N:16][C:15]([CH:22]([F:24])[F:23])=[C:14]([CH2:25][O:26][CH2:29][CH3:30])[CH:13]=3)[CH2:9]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]

Participants

Reactant 3

HCID 6332Ethyl Bromide

HCID 24758Sodium hydride

HCID 69360356(4R,9aR)-6-difluoromethyl-7-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester2×

Product 1

HCID 69358054(4R,9aR)-6-Difluoromethyl-7-ethoxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester

Procedure

This compound was prepared in analogy to example 1, intermediate d) from (4R,9aR)-6-difluoromethyl-7-hydroxymethyl-4-methyl-3,4,9,9a-tetrahydro-1H-2,4a,5-triaza-fluorene-2-carboxylic acid tert-butyl ester (example 26, intermediate b), sodium hydride and ethyl bromide.

Sources & evidence

ORD record: ord-0203fda380474aaf8aa51f99eb64cd6c
Source dataset: uspto-grants-2007_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07208494B2

Reaction notes

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