tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

Base Information

Chemical Name:tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate
CAS No.:1380347-84-1
Molecular Formula:C₃₀H₃₀N₄O₄
Molecular Weight:510.593
Hs Code.:

Synonyms:tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

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Chemical Property of tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

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Technology Process of tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

There total 6 articles about tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate 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: 99.0%

: 1380347-82-9
1-benzyl-4-(bromomethyl)-3-nitro-1H-pyrazole

: 81477-94-3
N-(diphenylmethylene)glycine tert-butyl ester

: 1380347-84-1
tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

Guidance literature:: With cesiumhydroxide monohydrate; O-allyl-N-(9-anthracenylmethyl)cinchonidinium bromide; In dichloromethane; at -30 ℃; for 18h;

Reference yield:

: 1380347-81-8
(1-benzyl-3-nitro-1H-pyrazol-4-yl)methanol

: 1380347-84-1
tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

Guidance literature:: Multi-step reaction with 2 steps

1: carbon tetrabromide; triphenylphosphine / dichloromethane / 18 h / 20 °C

2: cesiumhydroxide monohydrate; O-allyl-N-(9-anthracenylmethyl)cinchonidinium bromide / dichloromethane / 18 h / -30 °C

With cesiumhydroxide monohydrate; carbon tetrabromide; O-allyl-N-(9-anthracenylmethyl)cinchonidinium bromide; triphenylphosphine; In dichloromethane;

Reference yield:

: 1380347-80-7
ethyl 1-benzyl-3-nitro-1H-pyrazole-4-carboxylate

: 1380347-84-1
tert-butyl 3-(1-benzyl-3-nitro-1H-pyrazol-4-yl)-N-(diphenylmethylene)-L-alaninate

Guidance literature:: Multi-step reaction with 3 steps

1: lithium aluminium tetrahydride / tetrahydrofuran / 0.33 h / -40 °C

2: carbon tetrabromide; triphenylphosphine / dichloromethane / 18 h / 20 °C

3: cesiumhydroxide monohydrate; O-allyl-N-(9-anthracenylmethyl)cinchonidinium bromide / dichloromethane / 18 h / -30 °C

With lithium aluminium tetrahydride; cesiumhydroxide monohydrate; carbon tetrabromide; O-allyl-N-(9-anthracenylmethyl)cinchonidinium bromide; triphenylphosphine; In tetrahydrofuran; dichloromethane;