... CH3 CH3 ClCH2COOC 2H5 , NH2 CH3COONa, EtOH khan NHCH 2COOH NaOH HCl 1c 2c H3 C CH3 NaNO2, HCl (CH3CO) 2O N CH 2COOH 5 5 C 25 C NO N O N O 4c 3c Tổngh p N- (2- methylphenyl)glycine (2c) H n h p phản ... ClCH2COOC 2H5 , H3 C NH2 5 5 C H3 C NaOH HCl 1b NaNO2, HCl CH3COONa, EtOH khan H3 C NHCH 2COOH 2b N CH 2COOH NO (CH3CO) 2O 25 C N O CH3 N O 4b 3b Tổngh p N- (4- methylphenyl)glycine (2b) H n h p phản ... 3- (R-PHENYL) -4- BROMOACETYLSYDNONE (6) 2 .3 .1 Tổngh p 3- (R-phenyl)sydnone 2 .3 .1. 1Tổngh p 3- phenyl sydnone (4a) Sơ đồ phản ứng nhƣ sau 36 ClCH2COOC 2H5 , NH2 CH3COONa, EtOH khan NHCH 2COOH NaOH HCl 1a 2a NaNO2,...
... thiophotgen môi trƣờng base, với có mặt CaCO3 CH2Cl2 OP h3 H RO H RO HH OAc HO Br (hcCl2) NH CH C(OEt )2 RO RO HH CXCl2/OH- O NH3Br CH2Cl2 OR HH OR H OAc H RO RO HHHO NCX OR H Khi sử d ng ... Thanh Vân OH H AcO AcO HHH OH HO PhCONH2 HCl NCX AcO AcO dung d ch NaHCO3 OAc HHHO NH C NH CO-Ph H OAc H X X= S, O1.1 .3. 4 Phản ứng với aminoaceton hydrocloride Phản ứng đƣợc tiến hành mơi ... i-C 4H9 (3f, 4f); CH3 COOH C 3H5 (3g, 4g); C 6H5 CH2 ( 3h, 4h) ; C 6H5 C 2H5 (3i, 4i) + O N OAc (3a-3i) R O AcO NH AcO OAc C NH N S O (4a-4i) N R 23 NH2 Luận văn Thạc sĩ khoa h c Quách Thị Thanh Vân 2. 1...
... o o $) $0 +PVSOBM PG $IFNJTUSZ OO Alk-Br OO DMF, MW irradiation, 2 -3 N H N ( 63 90%) 2a h R OAc AcO AcO ஙங ஙங ங ங O NHCNHNH2 OAc AcO S 96% EtOH gla CH3 CO2 H MW irradiation, ... Corporation and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission However, users may print, download, or email ... 7JFUOBNT /BUJPOBM 'PVOEBUJPO GPS 4DJFODF BOE 5FDIOPMPHZ %FWFMPQ NFOU /"'0 45 & % 3FGFSFODFT $ 1JSSVOH 4 7 1BOTBSF , %BT 4BSNB , " ,FJUI BOE & 3 ,FSO i$PNCJOBUPSJBM PQUJNJ[BUJPO PG...
... phản ứng xảy 39 10 0 95 90 85 80 75 70 25 17 46 20 12 29 30 13 70 16 14 3 35 3 33 28 35 15 25 14 84 15 40 00 30 00 20 00 W avenum bers (cm -1) 52 0 59 5 55 7 820 40 10 19 988 960 918 11 69 11 46 11 20 45 10 63 328 2 ... AcO O NH2 H OAc H OAc AcO H AcO OAc AcO H AcO HH N H2 N NCS OAc OAc HO N CH3 AcO H AcO HHO OAc CH3 H NH H C H CH3 N OH AcO H CH3 HH N OAc AcO O S O NH H S N N OAc H NH2NHCO(CH 2) 4) CH OAc ... N- (2 ,3, 4, 6 -tetra- O- acetyl- β- D- galactopyranosyl) thiosemicarbazon 24 OAc AcO HH AcO HH CHO O NH NH C OAc H NH2 CH3COOH bang + S OAc AcO HH AcO HH NO O NH C OAc H NH N CH NO2 S - Theo phương pháp 1: Cho 0, 84 gam (2 mmol) N- (2 ,3, 4, 6 -tetra- O- acetyl- β- Dgalactopyranosyl)thiosemicarbazid...