(E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

Base Information

Chemical Name:(E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide
CAS No.:1147127-22-7
Molecular Formula:C₁₆H₁₃N₃O₄S
Molecular Weight:343.363
Hs Code.:

Synonyms:(E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

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Chemical Property of (E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

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Technology Process of (E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

There total 4 articles about (E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide 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:

: 184971-42-4
4-hydroxy-2H-1,2-benzothiazine-3-carbohydrazide 1,1-dioxide

: 100-52-7
benzaldehyde

: 1147127-22-7
(E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

Guidance literature:: With sulfuric acid; In ethanol; for 2h; Reflux;
DOI:10.2174/1573406417666210125141639

Reference yield:

: 128-44-9
saccharin sodium salt

: 1147127-22-7
(E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

Guidance literature:: Multi-step reaction with 4 steps

1: N,N-dimethyl-formamide / 3 h / 120 °C

2: sodium ethanolate / ethanol / 2 h / Inert atmosphere; Reflux

3: hydrazine hydrate / water / 20 °C

4: sulfuric acid / ethanol / 2 h / Reflux

With sulfuric acid; sodium ethanolate; hydrazine hydrate; In ethanol; water; N,N-dimethyl-formamide; 2: |Gabriel-Colman Rearrangement;
DOI:10.2174/1573406417666210125141639

Reference yield:

: 24683-20-3
ethyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl) acetate

: 1147127-22-7
(E)-N'-benzylidene-4-hydroxy-2H-benzo[e][1,2]thiazine-3-carbohydrazide 1,1-dioxide

Guidance literature:: Multi-step reaction with 3 steps

1: sodium ethanolate / ethanol / 2 h / Inert atmosphere; Reflux

2: hydrazine hydrate / water / 20 °C

3: sulfuric acid / ethanol / 2 h / Reflux

With sulfuric acid; sodium ethanolate; hydrazine hydrate; In ethanol; water; 1: |Gabriel-Colman Rearrangement;
DOI:10.2174/1573406417666210125141639