(2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

Base Information

Chemical Name:(2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate
CAS No.:1602919-17-4
Molecular Formula:C₃₂H₃₀BrNO₇
Molecular Weight:620.497
Hs Code.:

Synonyms:(2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

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Chemical Property of (2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

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Technology Process of (2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

There total 2 articles about (2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 65.0%

: 132972-15-7,18287-99-5
3-(5-bromo-2-hydroxyphenyl)-1-phenyl-2-propene-1-ketone

: 1446877-16-2
C₁₇H₁₉NO₅

: 1602919-17-4
(2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

Guidance literature:: With (S)-1-(3,5-bis(trifluoromethyl)phenyl)-3-(3-(diethylamino)-1-methoxy-1,1-diphenylpropan-2-yl)thiourea; In toluene; at 20 ℃; for 96h; stereoselective reaction;
DOI:10.1002/adsc.201300833

Reference yield:

: 132972-15-7,18287-99-5
3-(5-bromo-2-hydroxyphenyl)-1-phenyl-2-propene-1-ketone

: 1446877-16-2
C₁₇H₁₉NO₅

: 1602919-17-4
(2R,3S,4S)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

: (2S,3R,4R)-1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

: 1'-tert-butyl 2-ethyl 6-bromo-2'-oxo-4-(2-oxo-2-phenylethyl)spiro[chroman-3,3'-indoline]-1',2-dicarboxylate

Guidance literature:: With 1-(3,5-bistrifluoromethylphenyl)-3-[(S)-1-diethylamino-3,3-dimethylbutan-2-yl]thiourea; In toluene; at 20 ℃; for 96h; Overall yield = 70 %; stereoselective reaction;
DOI:10.1002/adsc.201300833