5-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(tris(propan-2-yl)silyl)-1,3-oxazole → 4-[5-(2-Triisopropylsilanyl-oxazol-5-yl)-2,3-dihydro-furo[2,3-c]pyridin-2-yl]-piperidine-1-carboxylic acid tert-butyl ester

HRID 1184714Notes

Reaction equation

HRID 1184714 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([CH:14]2[O:23][C:17]3=[CH:18][N:19]=[C:20](Cl)[CH:21]=[C:16]3[CH2:15]2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].CC1(C)C(C)(C)OB([C:32]2[O:36][C:35]([Si:37]([CH:44]([CH3:46])[CH3:45])([CH:41]([CH3:43])[CH3:42])[CH:38]([CH3:40])[CH3:39])=[N:34][CH:33]=2)O1>>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([CH:14]2[O:23][C:17]3=[CH:18][N:19]=[C:20]([C:32]4[O:36][C:35]([Si:37]([CH:41]([CH3:43])[CH3:42])([CH:44]([CH3:46])[CH3:45])[CH:38]([CH3:39])[CH3:40])=[N:34][CH:33]=4)[CH:21]=[C:16]3[CH2:15]2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]

Participants

3

Reactant 2

HCID 442243115-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(tris(propan-2-yl)silyl)-1,3-oxazoleHCID 866748954-(5-Chloro-2,3-dihydrofuro[2,3-c]pyridin-2-yl)piperidine-1-carboxylic acid tert-butyl ester

Product 1

HCID 679735384-[5-(2-Triisopropylsilanyl-oxazol-5-yl)-2,3-dihydro-furo[2,3-c]pyridin-2-yl]-piperidine-1-carboxylic acid tert-butyl ester

Procedure

The title compound is prepared from 4-(5-chloro-2,3-dihydro-furo[2,3-c]pyridin-2-yl)-piperidine-1-carboxylic acid tert-butyl ester and 5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-2-triisopropylsilanyl-oxazole following a procedure analogous to that described for Intermediate 15. LC (method 10): tR=2.02 min; Mass spectrum (ESI+): m/z=528 [M+H]+.

Sources & evidence

ORD record
ord-82969d96aac6417a8f025214e5d45234
Source dataset
uspto-grants-2014_03
Patent number
US08669271B2

Reaction notes

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