93591-90-3

Upstream product

• 93591-89-0 4-chloro-(1-ethoxycarbonyl-3-piperidinyl)aniline 
• 93591-88-9 1-ethoxycarbonyl-3-mesyloxypiperidine 
• 106-47-8 4-chloro-aniline 
• 61995-19-5 ethyl 3-Oxopiperidine-1-carboxylate 

Relevant academic research and scientific papers

Aminohaloborane in Organic Synthesis. IX. Exclusive ortho Acylation Reaction of N-Monoaminoalkylanilines

The exclusive ortho acylation reaction of aniline derivatives using boron trichloride made possible the one-step synthesis of 2-acyl-N-monoaminoalkylanilines (1) and the corresponding imines (2) from N-monoaminoalkylanilines, even in the case of compounds with a bulky substituent at the nitrogen atom.Conventional methods only give 1 via elaborate procedures.Keywords: regioselective reaction; 2-acylaniline derivative; 2-acylaniline-imine derivative; boron trichloride

1,4-Benzodiazepine derivatives

1,4-Benzodiazepine derivatives of the formula: STR1 (in which R1 is pyrrolidinyl or piperidinyl each optionally substituted by C1-3 alkyl, phenyl-C1-3 alkyl, C1-5 alkanoyl, or C2-5 alkoxycarbonyl, R2 is hydrogen, hydroxy, or acetoxy, R3 is C1-3 alkyl, phenyl-C1-3 alkyl, or phenyl optionally substituted by one or two halogens, X is hydrogen, halogen, C1-3 alkyl, C1-3 alkoxy, nitro, trifluoromethyl, or di-C1-3 alkyl-amino, and n is 1 or 2) or pharmaceutically acceptable acid addition salts thereof, which are useful as a psychotropic agent such as anti-depressant or anxiolytic agent can be prepared from several routes.