(S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

Base Information

Chemical Name:(S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione
CAS No.:1190949-12-2
Molecular Formula:C₂₁H₂₁BrN₂S
Molecular Weight:413.381
Hs Code.:

Synonyms:(S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

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Chemical Property of (S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

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Technology Process of (S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

There total 2 articles about (S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione 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%

: 108-94-1,11119-77-0,9003-41-2,9075-99-4
cyclohexanone

: 1122-91-4
4-bromo-benzaldehyde

: 621-83-0
N-benzylthiourea

: 1190949-12-2
(S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

Guidance literature:: 4-bromo-benzaldehyde; N-benzylthiourea; With (S)-3,3'-bis(triphenylsilyl)-1,1'-binaphthyl-2,2'-diyl hydrogenphosphate; In toluene; at 25 ℃; for 2h;

cyclohexanone; In toluene; at 50 ℃; for 144h; optical yield given as %ee; enantioselective reaction;
DOI:10.1021/ja905320q

Reference yield:

: 108-94-1,11119-77-0,9003-41-2,9075-99-4
cyclohexanone

: 1122-91-4
4-bromo-benzaldehyde

: 621-83-0
N-benzylthiourea

: 1190949-12-2
(S)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

: (R)-1-benzyl-4-(4-bromophenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione

Guidance literature:: 4-bromo-benzaldehyde; N-benzylthiourea; With (5R,6R)-2,5,6-trihydroxy-4,4,7,7-tetraphenyl-1,3,2-dioxaphosphepane 2-oxide; In chloroform; at 25 ℃; for 2h;

cyclohexanone; In chloroform; at 50 ℃; for 144h; Overall yield = 90 percent; enantioselective reaction;
DOI:10.3762/BJOC.16.155