42404-23-9Relevant articles and documents
PROCESS FOR PREPARING BENZOTHIAZEPINES FROM GAMMA-AMINOALKYLBENZENES
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Page/Page column 20, (2009/09/26)
The invention provides a process for preparing a 2,3,4,5-tetrahydro[1,4]benzothiazepine of formula: by reacting a [2-(acylaminoethyl)thio]arene of formula with an aldehyde or a multimer thereof, and with an acid. The invention also provides for first reac
Syntheses of 1,4-benzothiazepines and 1,4-benzoxazepines via cyclizations of 1-[2-arylthio(oxy)ethyl]-5-benzotriazolyl-2-pyrrolidinones and 3-benzotriazolyl-2-[2-arylthio(oxy)ethyl]-1-isoindolinones
Katritzky,Xu,He,Mehta
, p. 5590 - 5594 (2007/10/03)
1-[2-Arylthio(oxy)ethyl]-5-benzotriazolyl-2-pyrrolidinones 6a-e, 12 and 3-benzotriazolyl-2-[2-arylthio(oxy)ethyl]-1-isoindolinones 9a-f, 14 are readily available from reactions of benzotriazole (4), 2-(arylsulfanyl)ethylamines 3, or 2-phenoxyethylamine (11) with 2,5-dimethoxy-2,5-dihydrofuran (5) or 2-formylbenzoic acid (8). Lewis acid mediated cyclizations of 6 and 9 produced novel 1,4-benzothiazepines 7a-e and 10a-f, respectively. Cyclizations of 12 and 14 gave 1,4-benzoxazepines 13 and 15, respectively.
Base-promoted aminoethylation of thiols with 2-oxazolidinones: A simple synthesis of 2-aminoethyl sulfides
Ishibashi, Hiroyuki,Uegaki, Masayuki,Sakai, Manami,Takeda, Yoshifumi
, p. 2115 - 2120 (2007/10/03)
A simple synthesis of 2-aminoethyl sulfides using a base-promoted reaction of 2-oxazolidinones with thiols is described. An application of this method to the synthesis of chiral 2-aminoethyl sulfides and sulfur-containing heterocyclic compounds is also presented.
A Simple Synthesis of β-Amino Sulfides
Ishibashi, Hiroyuki,Uegaki, Masayuki,Sakai, Manami
, p. 915 - 916 (2007/10/03)
Thiols reacted with 2-oxazolidinones in the presence of alkoxides to give β-amino sulfides in high yields. The method was applied to the synthesis of 5,6-dihydro-1,4-thiazin-3(2H)-ones.