1387637-91-3

Upstream product

• 536-74-3 phenylacetylene 
• 158918-49-1 N’-(2-bromobenzylidene)-4-methylbenzenesulfonohydrazide 
• 6630-33-7 ortho-bromobenzaldehyde 
• 13466-30-3 (1-phenylethylidene)hydrazine 
• 98-86-2 acetophenone 
• 102-96-5 (2-nitroethenyl)benzene 
• 36081-80-8 1-(2'-bromophenyl)-3-phenylpropane-1,3-dione 
• 610-94-6 2-bromobenzoic acid methyl ester 
• 134419-77-5 1-(2-bromophenyl)-3-phenylprop-2-yn-1-one 

Downstream Products

• 1174271-14-7 2,5-diphenyl-pyrazolo[5,1-a]isoquinoline 
• 1456904-95-2 2-phenyl-5-p-tolylpyrazolo[5,1-a]isoquinoline 
• 1456904-96-3 5-(4-bromophenyl)-2-phenylpyrazolo[5,1-a]isoquinoline 
• 1456904-98-5 2-phenyl-5-(thiophen-3-yl)pyrazolo[5,1-a]isoquinoline 
• 1456905-00-2 5-cyclohexenyl-2-phenylpyrazolo[5,1-a]isoquinoline 
• 1456905-01-3 5-pentyl-2-phenylpyrazolo[5,1-a]isoquinoline 
• 1456905-03-5 2-(2-phenylpyrazolo[5,1-a]isoquinolin-5-yl)ethanol 
• 61001-36-3 2-phenyl-pyrazolo<5,1-a>isoquinoline 
• 1417340-85-2 2,5-diphenylpyrazolo[1,5-c]quinazoline 
• 1417340-86-3 2-phenyl-5-(p-tolyl)pyrazolo[1,5-c]quinazoline 
• 1427691-41-5 5-(4-chlorophenyl)-2-phenylpyrazolo[1,5-c]quinazoline 
• 1427691-42-6 5-(naphthalen-1-yl)-2-phenylpyrazolo[1,5-c]quinazoline 
• 1417340-83-0 2-phenyl-5-propylpyrazolo[1,5-c]quinazoline 
• 1427691-52-8 5,5-dimethyl-2-phenyl-5,6-dihydropyrazolo[1,5-c]quinazoline 

Relevant academic research and scientific papers

Efficient one-pot synthesis of benzo[e]pyrazolo- [1,5-c][1,3]thiazine derivatives under copper-catalyzed conditions

An efficient method has been developed for the synthesis of benzo[e]pyrazolo[1,5-c][1,3]thiazines via one-pot two-step reactions of readily available substituted 1-(2-halophenyl)-3- Akylprop-2-yn-1-ones, hydrazine hydrochloride and β-oxodithioesters under mild conditions, and the corresponding benzo[e]pyrazolo[1,5-c][1,3]thiazines were obtained in good to excellent yields. The novel method affords a new strategy for the construction of diverse and useful poly N,S-heterocyclic compounds.

A facile and expeditious approach to substituted 1H-pyrazoles catalyzed by iodine

A facile and expeditious method for the synthesis of 1H-pyrazoles by the reaction of α,β-unsaturated aldehydes/ketones and sulfonyl hydrazide catalyzed by as low as 2 mol % I2 has been demonstrated. This synthetic system features simple operation and mild reaction conditions, and displays a broad functional group tolerance furnishing good to excellent yields.

PYRAZOLE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME

The present invention relates to a pyrazole-based compound and an organic light-emitting device using the same. The compound is represented by chemical formula 1. The compound described in the present invention can be used as an organic matter layer mater

Polycyclic compound including nitrogen and organic light emitting device using same

The present invention relates to a polycyclic compound including nitrogen and an organic light emitting device using the same.

Sulphur promoted C(sp3)-C(sp2) cross dehydrogenative cyclisation of acetophenone hydrazones with aldehydes: Efficient synthesis of 3,4,5-trisubstituted 1H-pyrazoles

A novel strategy for the cross dehydrogenative coupling (CDC) of acetophenone hydrazones and aldehydes has been developed for the synthesis of highly substituted pyrazoles. This work, for the first time, uses elemental sulfur as a promoter as well as a hydrogen acceptor in effecting the Csp3-Csp2 bond formation via C-H activation. This journal is

DABCO-promoted synthesis of pyrazoles from tosylhydrazones and nitroalkenes

An efficient synthesis of pyrazoles from tosylhydrazones and nitroalkenes was developed. In comparison with the previously reported 1,3-dipolar cycloaddition reaction of diazo compounds with electron-deficient alkenes or alkynes, this methodology proceeded with a sequential Baylis-Hillman/ intramolecular cyclization mechanism and a variety of reversed regioselectivity products were prepared in good yields.

An efficient one-pot synthesis of 3,5-disubstituted 1H-pyrazoles

An efficient, general, one-pot, three-component procedure for the preparation of 3,5-disubstituted 1H-pyrazoles via condensation of substituted aromatic aldehydes, tosylhydrazine and terminal alkynes in toluene is reported. The reaction tolerates a variety of functional groups and sterically hindered substrates to afford the desired pyrazoles in yields of 67-91%.