4-Methylbenzyl chloride → HCID 54503915、化合物

反応式

[O:1]([CH2:9][CH2:10][CH:11]1[C:16](=[O:17])[NH:15][C:14]2[CH:18]=[CH:19][CH:20]=[CH:21][C:13]=2[O:12]1)[Si](C(C)(C)C)(C)C.[CH3:22][C:23]1[CH:30]=[CH:29][C:26]([CH2:27]Cl)=[CH:25][CH:24]=1.[K+].[Br-]>>[OH:1][CH2:9][CH2:10][CH:11]1[C:16](=[O:17])[N:15]([CH2:22][C:23]2[CH:30]=[CH:29][C:26]([CH3:27])=[CH:25][CH:24]=2)[C:14]2[CH:18]=[CH:19][CH:20]=[CH:21][C:13]=2[O:12]1

参加物

反応物 3

HCID 77224-Methylbenzyl chloride

HCID 253877Potassium Bromide

HCID 120480202-[2-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]ethyl]-2H-1,4-benzoxazin-3(4H)-one

生成物 1

HCID 54503915HCID 54503915、化合物

実験手順

Prepared from 2-(2-tert-butyldimethylsiloxyethyl)-3,4-dihydro-3-oxo-2H-1,4-benzoxazine by Methods F and G alkylating with 4-methylbenzyl chloride, in 50% overall yield. This material was crystallized from ether to afford a white solid, mp 92°-94° C.; IR (KBr) 3496, 1659, 1503, 1405, 1304, 1283, 1248, 1063, 801 cm-1 ; 1H NMR (CDCl3) δ 2.18-2.36 (m, 5H), 3.91 (q, J=5.7, 2H), 4.83 (dd, J=7.4, 5.7, 1H), .5.12 (s, 2H), 6.90-7.00 (m, 4H), 7.13 (s, 4H); MH+ at m/z=298; Anal. Calc'd for C18H19NO3 : C, 72.71; H, 6.44; N, 4.71. Found: C, 72.71; H, 6.48; N, 4.65.