反応 #665134

ord-2b66fb1a490e434c8748ea9a2846d3e4

反応方程式

CCOC(=O)c1noc2c(F)c(N3C[C@@H](C)O[C@@H](C)C3)c(CO[Si](c3ccccc3)(c3ccccc3)C(C)(C)C)cc12

ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate

Ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate

Intermediate 204

Ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate

2,2-difluoroethanamine

→

C[C@@H]1CN(c2c(CO)cc3c(C(=O)NCC(F)F)noc3c2F)C[C@H](C)O1

N-(2,2-difluoroethyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluoro-5-(hydroxymethyl)benzo[d]isoxazole-3-carboxamide

反応物

ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate

Ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate

Intermediate 204

Ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate

2,2-difluoroethanamine

試薬

なし

反応条件

詳細条件

See reaction.notes.procedure_details.

実験手順

Starting materials: ethyl 5-((tert-butyldiphenylsilyloxy)methyl)-6-((2R,6S)-2,6-dimethylmorpholino)-7-fluorobenzo[d]isoxazole-3-carboxylate (Intermediate 204) and 2,2-difluoroethanamine

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US09040528B2uspto-grants-2015_05