Sodium cyanoborohydride → N-[2-(4-methoxycarbonylmethylphenoxy)-1(S)-methylethyl]-2(R)-t-butyldimethylsilyloxy-2-phenylethanamine

HRID 1901213노트

반응식

HRID 1901213 반응식
[Si:1]([O:8][C@H:9]([C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[CH:10]=O)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[NH2:18][C@@H:19]([CH3:33])[CH2:20][O:21][C:22]1[CH:27]=[CH:26][C:25]([CH2:28][C:29]([O:31][CH3:32])=[O:30])=[CH:24][CH:23]=1.C([BH3-])#N.[Na+]>CO>[CH3:32][O:31][C:29]([CH2:28][C:25]1[CH:26]=[CH:27][C:22]([O:21][CH2:20][C@@H:19]([NH:18][CH2:10][C@H:9]([O:8][Si:1]([C:4]([CH3:5])([CH3:6])[CH3:7])([CH3:2])[CH3:3])[C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=2)[CH3:33])=[CH:23][CH:24]=1)=[O:30]

참가 물질

5

반응물 3

HCID 5003444Sodium cyanoborohydrideHCID 10933947(R)-alpha-(t-Butyldimethylsilyloxy)-alpha-phenylacetaldehydeHCID 22867084Methyl 4-[2(S)-amino-1-propoxy]phenylacetate

생성물 1

HCID 22867087N-[2-(4-methoxycarbonylmethylphenoxy)-1(S)-methylethyl]-2(R)-t-butyldimethylsilyloxy-2-phenylethanamine

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

Following a procedure similar to that described in Preparation 29, but using 750 mg of (R)-α-(t-butyldimethylsilyloxy)-α-phenylacetaldehyde (prepared as described in Preparation 25), 920 mg of methyl 4-[2(S)-amino-1-propoxy]phenylacetate (prepared as described in Preparation 28), 10 ml of absolute methanol and 500 mg of sodium cyanoborohydride, the title compound was obtained.

후처리

  1. customthat described in Preparation 29

출처 및 근거

ORD 기록
ord-4b3a959b8daf425785ca797d7f5b5d54
출처 데이터셋
uspto-grants-1996_11
특허 번호
US05576340

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