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(Cross-coupling reaction via C±H bond activation)
Chuyên ngàQK.Ӻ7+8Ұ7+Ï$+Ӑ& 0mVӕ
/8Ұ19Ă17+Ҥ&6Ƭ
TP HCM, THÁNG 9 1Ă0
Trang 2&Ð1*75Î1+ĈѬӦ&+2¬17+¬1+7Ҥ, 75ѬӠ1*ĈҤ,+Ӑ&%È&+.+2$± Ĉ+4*-HCM
5 763KDQ7Kӏ+RjQJ$QK ± 7KѭNê
Xác nhұn cӫa Chӫ tӏch Hӝi ÿӗng ÿiQh giá LV và 7UѭӣQJ.KRa quҧQ lý chuyên ngành sau khi luұn văn ÿã ÿѭӧc sӱa chӳa (nӃu có)
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Trang 3NHIӊM VӨ LUҰN 9Ă17+Ҥ&6Ƭ +ӑWrQKӑFYLrQ75Ҫ17+ӎ/2$1
MSHV: 1870536 1Jj\WKiQJQăPVLQK02/11/1993 1ѫLVLQKĈӗQJ1DL &KX\rQQJjQK.ӻWKXұW+yDKӑF 0mVӕ
- 7әQJKӧSGүQ[XҩWFӫDEHQ]Rfuro[2,3-b]quinoxaline - TәQJKӧSFiFGүQ[XҩWFӫDN-phenylbenzothioamide
75ѬӠ1*ĈҤ,+Ӑ&%È&+.+2$
&Ӝ1*+Ñ$;+Ӝ,&+Ӫ1*+Ƭ$9,ӊ71$0 ĈӝFOұS- 7ӵGR- +ҥQKSK~F
Trang 4i
LӠI CҦ0Ѫ1
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TP HCM, tháng 9 QăP20 7iFJLҧ
7UҫQ7Kӏ/RDQ
Trang 5WKӃFӫDEHQ]\ODOFRKRO YjQLWUREHQ]HQ&iFKӧSFKҩWÿmÿѭӧFF{OұSYjSKkQWtFKFҩXWU~FEҵQJFiFSKѭѫQJSKiSSKә1053KѭѫQJSKiSQj\FyKLӋXTXҧQәLEұWVRYӟLFiFQJKLrQFӭX WUѭӟFYuVӱGөQJOѭXKXǤQKOjPӝWKyDFKҩWÿѫQJLҧQJLiWKjQKWKҩSFyWKӇ WKD\WKӃFKRFiFKyDFKҩWSKӭFWҥSWKѭӡQJJһSWURQJWәQJKӧSFKҩWKӳXFѫÿLӅXNLӋQSKҧQӭQJNK{QJFҫQÿӃQFiFNLPORҥLYjFKҩWR[\KyDPҥQKNKiF
Trang 6chloroacetophenone and ¶-aminoacetophenone, respectively In addition,
N-phenylbenzothioamides were successfully synthesized from benzyl alcohol and nitrobenzene derivatives in this thesis These compounds were isolated and determined structures byNMR spectroscopy This method would offer prominent benefits compared to previous studies due to ultilizing and cheap elemental sulfur, which could replace the complex chemicals used in organic synthesis Moreover, the reaction conditions do not involve the presence of any metals or solvents
Trang 7iv
LӠ,&$0Ĉ2$1
Tác JLҧ[LQFDPÿRDQOXұQYăQQj\OjF{QJWUuQKQJKLrQFӭXFӫDFiQKkQWiFJLҧÿѭӧFWKӵFKLӋQGѭӟLVӵKѭӟQJGүQFӫDTS 1JX\ӉQ7KDQK7QJ và GS TS Phan Thanh 6ѫQ1DP, WҥL3KzQJWKtQJKLӋP7UӑQJÿLӇPĈ+4*-H&03KkQWtFK&ҩXWU~F9ұWOLӋX(MANAR 7UѭӡQJĈҥLKӑF%iFK.KRDĈ+4* TP HCM
6ӕOLӋXNӃWTXҧQJKLrQFӭX, YjNӃWOXұQWURQJOXұQYăQQj\OjKRjQWRjQWUXQJWKӵF
TP+ӗ&Kt0LQKWKiQJ QăP
7iFJLҧ 7UҫQ7Kӏ/RDQ
Trang 8DANH MӨ&6ѪĈӖ ix
DANH MӨC CÁC TӮ VIӂT TҲT xi
Trang 10Hình 1.4: Các dүn xuҩt quinoxaline ӭng dөQJWURQJGѭӧc phҭm 19
Hình 1.5: Cҩu trúc cӫa pyrrolo[1,2-a]quinoxaline 19
Hình 1.6: Các thuӕFÿѭӧc tәng hӧp dӵa trên khung imidazoquinoxaline 21
Hình 1.7: Cҩu trúc cӫa imidazo[1,5-a] và [1,2-a]quinoxaline 21
Hình 1.8: Cҩu trúc pyrano[3,4-b]quinoxaline 25
Hình 2.1: Quy trình tәng hӧp benzofuro[2,3-b]quinoxaline 32
Hình 2.2: Quy trình tәng hӧp các dүn xuҩt N-phenylbenzothioamide 39
Hình 3.1: ҦQKKѭӣng cӫa loҥLED]ѫÿӃn hiӋu suҩt phҧn ӭng 42
Hình 3.2: ҦQKKѭӣng cӫDOѭӧQJ'$%&2ÿӃn hiӋu suҩt phҧn ӭng 43
Hình 3.4: ҦQKKѭӣng cӫDOѭӧQJ'062ÿӃn hiӋu suҩt phҧn ӭng 44
Hình 3.5: ҦQKKѭӣng cӫDP{LWUѭӡQJÿӃn hiӋu suҩt phҧn ӭng 45
Hình 3.6: ҦQKKѭӣng cӫDOѭӧQJOѭXKXǤQKÿӃn hiӋu suҩt phҧn ӭng 46
Hình 3.7: ҦQKKѭӣng cӫa thӡLJLDQÿӃn hiӋu suҩt phҧn ӭng 47
Trang 11Bҧng 2.6: Khҧo sát thӡi gian phҧn ӭng 36
Bҧng 2.7: Các dүn xuҩt cӫa o-SKHQ\OHQHGLDPLQHÿѭӧc sӱ dөng 37
Bҧng 2.8: Các dүn xuҩt cӫa o-SKHQ\OHQHGLDPLQHÿѭӧc sӱ dөng 38
Trang 12ix
DANH MӨ&6ѪĈӖ
6ѫÿӗ 1.1: Phҧn ӭng hình thành benzazole vӟLOѭXKXǤnh là tác nhân oxy hóa 3
6ѫÿӗ /ѭXKXǤnh khӱ các nhóm thӃ nitroaren 3
6ѫÿӗ /ѭXKXǤnh trong ethylene glycol khӱ benzofuroxan thành benzofurazan 4
6ѫÿӗ 1.4: Tәng hӧp 2,4-diarylpyrrole sӱ dөng tác nhân khӱ OѭXKXǤnh 4
6ѫÿӗ 1.13: Phҧn ӭng cӫa Willgerodt và phҧn ӭQJÿLӅu chӍnh cӫa Kindler 8
6ѫÿӗ &ѫFKӃ phҧn ӭng Willgerodt ± Kindler 10
6ѫÿӗ 1.15: &ѫFKӃ ÿӗng phân hóa enamine 11
6ѫÿӗ 1.16: Chҩt trung gian trong phҧn ӭng Willgerodt ± Kindler 12
6ѫÿӗ 1.17: Amino-OѭXKXǤQKÿyQJYDLWUzOj FKҩt xúc tác TXi WUuQKÿӗng phân hóa enamine trong phҧn ӭng Willgerodt ± Kindler 13
6ѫÿӗ 1.18: Quá trình oxy hóa cӫDQKyPPHWK\OÿӇ tҥo thành thioamide 13
6ѫÿӗ 1.19: p-TsOH xúc tác cho phҧn ӭng Willgerodt ± Kindler 14
6ѫÿӗ 1.25: Phҧn ӭng hình thành dүn xuҩt cӫa quinoxaline 16
6ѫÿӗ 1.26: Quy trình tәng hӧp quinoxaline cӫa Hinsberg và Korner 17
6ѫÿӗ 1.27: ĈyQJYzQJQӝi phân tӱ cӫa dүn xuҩt quinoxaline 20
6ѫÿӗ 1.28: Hình thành imidazo[1,5-a@TXLQR[DOLQHWK{QJTXDÿyQJYzQJQӝi phân tӱ dүn xuҩt quinoxaline 22
Trang 13x
6ѫÿӗ 1.29: Tәng hӧp 4-methylsulfanylimidazoquinoxaline 22
6ѫÿӗ 1.30: Tәng hӧp imidazo[1,5-a@TXLQR[DOLQHWKHRSKѭѫQJSKiSÿyQJYzQJQӝi phân tӱ dүn xuҩt imidazole 22
6ѫÿӗ 1.31: Tәng hӧp imidazo[1,2-a]quinoxaline tӯ chҩt nӅn dүn xuҩt quinoxaline 23
6ѫÿӗ 1.32: Tәng hӧp imidazo[1,2-a]quinoxaline tӯ dүn xuҩt imidazole 24
6ѫÿӗ 1.33: Hình thành thiazolo[3,4-a]quinoxaline bҵQJFiFKÿyQJYzQJQӝi phân tӱ 246ѫÿӗ 1.34: Tәng hӧp thiazolo[3,4-a]quinoxaline 25
6ѫÿӗ 1.35: Cҩu trúc chung cӫa thioamide 25
6ѫÿӗ 1.36: Tәng hӧp thioadmide tӯ toluene và các amine khác nhau thông qua sӵ hoҥt KyD&+NKLFyPһt nguyên tӕ OѭXKXǤnh 26
6ѫÿӗ 3KѭѫQJSKiSWәng hӧp dӵa trên phҧn ӭng Willgerodt ± Kindler 26
6ѫÿӗ 1.38: Hoҥt hóa liên kӃt C±H cӫa 2-methylquinoline hình thành dӏ vòng thioamide 27
6ѫÿӗ 2.1ĈLӅu kiӋn tәng hӧp các dүn xuҩt N-phenylbenzothioamide 40
6ѫÿӗ 3.1: Phҧn ӭng giӳa o-SKHQ\OHQHGLDPLQHYj¶-hydroxyacetophenone 41
6ѫÿӗ ĈLӅu kiӋn phҧn ӭng phù hӧSÿmWuPÿѭӧc 47
6ѫÿӗ ĈLӅu kiӋn tәng hӧp 8,9-dimethoxy-6H-indolo[2,3-b]quinoxaline 56
Trang 14xi
DANH MӨC CÁC TӮ VIӂT TҲT
DPPE 1,2-Bis(diphenylphosphino)ethane 1,2-%LVÿiphenylphotphino)etan SN-Ar Nucleophilic aromatic substitution 7KӃiLQKkQӣQKkQWKѫP
NMR Nuclear magnetic resonance &ӝQJKѭӣQJWӯKҥWQKkQ
GC-MS Gas chromatography - Mass spectrometry
6ҳFNêNKtJKpSNKӕLSKә
TLC Thin layer chromatography 6ҳFNêOӟSPӓQJ DABCO 1,4-diazabicyclo[2.2.2]octane 1,4-diazabicyclo[2.2.2]octan
DIPEA N,N-Diisopropylethylamine N,N-ĈLLVRSURS\OHWylamin p-TsOH p-Toluenesulfonic acid Axit p-toluensunfonic
t-BuOK Potassium tert-butoxide Kali tert-butoxit IBX 2-Iodoxybenzoic acid Axit 2-iodoxybenzoic
Trang 15xii
ĈҺT VҨ1Ĉӄ
7URQJQKӳQJQăPJҫQÿk\FiFSKҧQӭQJVӱGөQJOѭXKXǤQKQKѭPӝWWiFFKҩWKRһFFKҩW[~FWiFÿmWKXK~WVӵFK~êFӫDQKLӅXQKjNKRDKӑFWURQJOƭQKYӵFWәQJKӧSKӳXFѫÿӇKuQKWKjQKFiFOLrQNӃW&±C và C±;Ĉk\OjPӝWWURQJQKӳQJSKѭѫQJSKiSÿҫ\KӭDKҽQÿӇWUiQKQKӳQJKҥQFKӃWURQJWәQJKӧSFKҩWKӳXFѫNKLVӱGөQJFiF[~FWiFNLPORҥLKRһFGQJFiFKӧSFKҩWVXOILGHYuQJX\rQWӕOѭXKXǤQKkhá SKәELӃQFyVҹQUҩWQKLӅXGѭӟLGҥQJVҧQSKҭPSKөFӫDTXiWUuQKOӑFGҫXNKtOѭXKXǤQKOjPӝWQJX\rQOLӋXUҿWLӅQkhông có PLKRһFÿӝFWtQKYjGӉVӱGөQJ
NKLӅXQJKLrQFӭX FKRWKҩ\UҵQJ FiFKӧSFKҩWTuinoxaline có KRҥWWtQKVLQKKӑFSKRQJSK~FyWiFGөQJWURQJYLӋFNKiQJNKXҭQYjNKiQJXQJWKѭ [1, 2] Ngoài ra, các GүQ[XҩWTXLQR[DOLQHFzQÿѭӧFӭQJ GөQJtrong OƭQKYӵF ÿLӋQKyDYӟLFiFYұWOLӋXFyFKӭFQăQJQKѭWKLӃWEӏOѭXWUӳÿLӋQGLRWSKiWTXDQJEiQGүQ, YjYұWOLӋXKӳXFѫGүQÿLӋQ [3] Tuy QKLrQSKѭѫQJSKiSWәQJKӧSFiFSKkQWӱYzQJQJѭQJWөOjFӵFNǤKLӃP+ҫXKӃWFiFQJKLrQFӭXÿmF{QJEӕWUѭӟFÿk\ÿӅXOjSKѭѫQJSKiSWәQJKӧSFiFKӧSFKҩWindoloquinoxaline, PӝW YjL KӧS FKҩW IXUDQ, và thiophene NJX\rQ Wӕ OѭX KXǤQK ÿѭӧFELӃWÿӃQYӟL NKҧQăQJ KRҥWKyD OLrQNӃWCĮ±H FӫDQKyPketone, YuYұ\WUѭӟFÿk\ nguyên WӕQj\ ÿѭӧFVӱGөQJÿӇWKӵFKLӋQFiFSKҧQӭQJJKpSÿ{L JLӳD FiFF\FORDONDQRQHYӟLFiFdiamine KuQKWKjQKKӧSFKҩW FKӭD GӏYzQJTXLQR[DOLQH [4, 5] 0һFGYұ\TXiWUuQKR[\KyDFiFOLrQNӃW&Į±H trong nhóm C=O YӟLQJX\rQWӕOѭXKXǤQKYүQFzQPӝWVӕYҩQÿӅFKѭDÿѭӧFJLҧLTX\ӃW'RÿyYLӋFSKiWWULӇQPӝWSKѭѫQJSKiSPӟL ÿӇWәQJKӧSFiF KӋYzQJQJѭQJWө furan- và thiophene- quinoxaline là FҫQWKLӃt
9uYұ\OXұQYăQQj\ÿѭӧFWKӵFKLӋQYӟLÿӅWjL³QJKLrQFӭXWKӵFKLӋQSKҧQӭQJJKpSÿ{LWK{QJTuDFRQÿѭӡQJKRҥWKRiOLrQNӃW&±+´FөWKӇOj WәQJKӧSFiFKӧS
FKҩWEHQ]RIXURTXLQR[DOLQH WK{QJTXDYLӋFNӃWKӧSo-SKHQ\OHQHGLDPLQHYj¶-hydroxy
acetophenone YӟLVӵFyPһWFӫDQJX\rQWӕOѭXKXǤQKWURQJJLDLÿRҥQWUXQJJLDQ
Trang 16&+ѬѪ1* TӘNG QUAN 1.1 LѭXKXǤnh
1.1.1 Giͣi thi͏u v͉ O˱XKXǤnh
NJX\rQWӕlѭXKXǤQKÿѭӧFELӃWÿӃQWӯWKӡi cәÿҥLYӟLQKLӅX ӭQJGөQJUӝQJUmLQKѭVҧQ[XҩWWKXӕFQә ÿHQOѭXKyDFDRVX, và WәQJKӧSD[LWVXQIXULFFNJQJQKѭFiF KӧSFKҩWFKӭDOѭXKXǤQKNKiF7URQJWӵQKLrQOѭXKXǤQKFyQKLӅXӣGҥQJÿѫQFKҩWWҥRWKjQKQKӳQJPӓOӟQWURQJYӓ7UiLĈҩWNgoài raOѭXKXǤQKFzQÿѭӧFWuPWKҩ\GѭӟLGҥQJKӧSFKҩWVXQIDWYjVXQIXD /ѭXKXǤQKWӵQKLrQWӯFiFPӓTXһQJGѭӟL lzQJÿҩWFyWKӇÿѭӧFNKDLWKiFEҵQJFiFKVӱGөQJ QѭӟFTXiQKLӋW theo quy trình Frasch và ÿѭӧFWKѭѫQJ PҥLKyDWKjQKF{QJWӯQăP [6] &iFQJXӗQOѭXKXǤQKQj\ FyQJXӗQJӕFKyDWKҥFK
ÿѭӧF WҥR UD EӣL KRҥW ÿӝQJ FӫD FiF YL NKXҭQ Fә Archaebacteria trong FiF Pӓ TXһQJ
sunfate và có QKLӅX trong các EӇ WUҫPWtFKQ~LOӱDWUrQNKҳSWKӃJLӟLQKѭ Sicily, Ý, và Ĉ{QJ-DYD± Indonesia [6, 7]Ngày nay, lѭXKXǤQKFyQKLӅXӭQJGөQJTXDQWUӑQJ trong các ngàQKF{QJQJKLӋSOѭӧQJOѭXKXǤQKNKDLWKiFÿѭӧFGQJÿӇVҧQ[XҩW+2SO4, OѭӧQJOѭXKXǤQKFzQOҥLÿѭӧFGQJÿӇOѭXKyDFDRVuVҧQ[XҩWdiêm, FKҩt Wҭ\WUҳQJEӝWJLҩ\GѭӧFSKҭPSKҭPQKXӝPWKXӕFWUӯVkXGLӋWQҩPYY
/ѭXKXǤQKFyÿӗQJYӏWURQJ ÿyFyÿӗQJYӏәQÿӏQK32S (95,02%), 33S (0,75%),
34S (4,21%), và 36S (0,02%) &yFKtQÿӗQJYӏSKyQJ[ҥFӫDOѭXKXǤQKÿmÿѭӧFELӃWÿӃQWURQJÿyOѭXKXǤQK356FyFKXNǤEiQUmGjLQKҩWQJj\ YjÿѭӧFWҥRUDEӣLTXiWUuQKSKiW[ҥWLD40$UWURQJEҫXNKtTX\ӇQ /ѭXKXǤQKOjQJX\rQWӕFyVӕOѭӧQJOӟQQKҩWFӫDFiFGҥQJFҩXWҥRYzQJSKkQWӱ Sn (QQҵPWURQJNKRҧQJWӯÿӃQ) vì GӉGjQJKuQKWKjQKOLrQNӃW6± S [8] &iFOLrQNӃWQj\FyWKӇWKD\ÿәLFҧ YӅFKLӅXGjLYjJyFGRÿó, OѭXKXǤQKFy QKLӅX GҥQJWKKuQKkhác nhau WӗQWҥLӣÿLӅXNLӋQiSVXҩWNKtTX\ӇQYjiSVXҩWFDR: SĮ, Sȕ, SȖ, SG, Sİ, v.v 7LQKWKӇWjSKѭѫQJhình thoi màu vàng (SĮ) là dҥQJthù hình әQÿӏQKQKҩWFӫDOѭXKXǤQKOjEDRJӗPFiFSKkQWӱGҥQJYzQJ68Fyÿӝdài liên NӃW ÅJyF[HQNӁq QKѭhình 1.1 ӢqC, SĮ FKX\ӇQWKjQKSȕ ÿѫQWjQyQJFKҧ\ӣqC /ѭXKXǤQKSȕ JӗPFiFSKkQWӱYzQJ68 FyFҩXWU~FWѭѫQJWӵ6Į, tuy QKLrQFKӍFyKDLSKҫQEDFiFSKkQWӱ68 ÿѭӧFVҳS[ӃSWKHRKѭӟQJFӕÿӏQKSKҫQFzQOҥLÿѭӧFVҳS[ӃSQJүXQKLrQ QKѭ [9] 0ӝW GҥQJWKKuQK ÿѫQWjkhác là SȖ FNJQJFyFҩXWU~FEDRJӗPFiFSKkQWӱ vòng S8 NăP, Engel ÿmWҥRUD PӝWGҥQJKuQKWKRLSİ FyFҩXtrúc là PӝWYzQJ66 [10]
Trang 17Hình 1.1: &ҩXWU~FFӫDOѭXKXǤQKWjSKѭѫQJĮ-S8
/ѭXKXǤQKGӉSKҧQӭQJWUӵFWLӃSYӟLQKLӅXQJX\rQ Wӕ NLPORҥLYjSKLNLPӢQKLӋWÿӝFDROѭXKXǤQKSKҧQӭQJYӟLQKLӅXNLPORҥLWiFGөQJ YӟLK\GURÿӇWҥR thành hydro sunfua, FKi\WURQJR[\YjIORÿӇWҥRWKjQK OѭXKXǤQKÿLR[LWYjOѭXKXǤQKKH[DIORUXDWѭѫQJWӵFKRSKҧQӭQJYӟL clo và brom 1JD\ӣQKLӋWÿӝWKѭӡQJ FNJQJFyWKӇTXDQViWWKҩ\ÿӗQJEҥFYjWKӫ\QJkQEӏ[ӍQPjX GRFySKҧQӭQJYӟLOѭXKXǤQK Trong YjLQăPqua, WtQKFKҩWFӫDOѭXKXǤQKÿmÿѭӧFWuPKLӇXU}KѫQYjFiFWtQKFKҩWFӫDOѭXKXǤQK có WKӇÿѭӧFiSGөQJWURQJWәQJKӧSKӳXFѫ PӝWFiFKKLӋXTXҧ KѫQ7URQJQKLӅXSKҧQӭQJQJX\rQWӕOѭXKXǤQKFyWKӇÿyQJYDLWUzQKѭFKҩWR[\KyDFKҩWNKӱFKҩW[~Ftác và tác QKkQWKDPJLDYjRSKҧQӭQJNKLFytWQKҩWPӝWQJX\rQWӱOѭXKXǤQKÿѭӧFÿѭDYjRFiFKӧSFKҩWFXӕLFQJ [11]
1.1.2 Vai trò cͯa O˱XKXǤnh trong t͝ng hͫp hͷXF˯
1JX\rQWӕOѭXKXǤQKNK{QJÿӝFKҥLәQÿӏQKGѭӟLÿLӅXNLӋQEuQKWKѭӡQJWӗQWҥLӣQKLӅXWUҥQJWKiLR[\KyDWӯ-ÿӃQYjFiFSKҧQӭQJFyOѭXKXǤQKFyQJX\FѫQәWKҩS'RÿyOѭXKXǤQKÿѭӧF[HPQKѭOjWiFQKkQWKD\WKӃKӳXtFKWURQJFiFSKҧQӭQJR[\hóa NKӱ NăPKDLQKyPQJKLrQFӭXÿӝFOұS1JX\HQ[12] và Tong [13] ÿmWUuQKEj\SKѭѫQJSKiSPӟLWKkQWKLӋQ YӟL P{LWUѭӡQJÿӇÿLӅXFKӃFiFGүQ[XҩWEHQ]D]ROHWӯ2-FKORURQLWUREHQ]HQHVWK{QJTXDTXiWUuQKR[\KyDWUXQJJLDQFӫDQJX\rQWӕOѭXKXǤQK
(sѫ ÿӗ D 0ӝW SKҧQ ӭQJ R[y KyD NKӱ GHFDUER[\O Vӱ GөQJ o-chloronitroaren, axit arylacetic, QJX\rQWӕOѭXKXǤQKOjPFKҩWQӅQ, YjED]ѫN-methylmorpholine WURQJÿLӅX
NLӋQNK{QJFyGXQJP{LYjFKҩW[~FWiFÿmÿѭӧFSKiWWULӇQEӣLQKyP*XQWUHGGL QKѭWUuQKEj\ӣVѫÿӗE [14] 1ăP+*DQYjFӝQJVӵÿmVӱGөQJOѭXKXǤQKOjPtác nhâQ R[\ KyD ÿӇ WәQJ KӧS FiF GүQ [XҩW EHQ]D]ROH Wӯ benzylchloride và 2-aminothiophenol, trong dung môi S\ULGLQHӣQKLӋWÿӝqC (sѫÿӗc) [15] *ҫQÿk\QKyPQJKLrQFӭXFӫD;LQ:DQJÿmWLӃQKjQKQJѭQJWөR[\KyD NKӱEHQ]\OFKRORULGH
Trang 18và o-chloronitrobenzene có PһW OѭXKXǤQK và ba]ѫ N-methylpiperdine ÿӇWәQJKӧSFiF
KӧSFKҩWEHQ]D]ROH (sѫÿӗG [16]
6ѫÿӗ1.1: 3KҧQӭQJKuQKWKjQKEHQ]D]ROHYӟLOѭXKXǤQKOjWiFQKkQR[\hóa
%rQFҥQKYDLWUzWiFQKkQR[\KyDWURQJQKLӅXSKҧQӭQJOѭXKXǤQKÿѭӧF[HPQKѭOjFKҩWNKӱ aQWRjQFyWtQKFKӑQOӑF/ѭXKXǤQKFyWKӇÿѭӧFVӱGөQJÿӇNKӱQLWURDUHQWKjQKFiFDQLOLQWѭѫQJӭQJYӟLVӵFyPһWFӫDba]ѫ NaHCO3 trong dung môi DMF ӣQKLӋWÿӝqC (sѫÿӗ [17]
6ѫÿӗ1.2/ѭXKXǤQKNKӱFiFQKyPWKӃQLWURDUHQ
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S8 ÿѭѫQJOѭӧQJ ÿѭѫQJOѭӧQJ
S8 ÿѭѫQJOѭӧQJ
S8 ÿѭѫQJOѭӧQJ