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1H-Pyrrole-2-carboxylic acid, 5-[(4,4-dimethyl-5-oxo-2-pyrrolidinylidene)methyl]-3,4-dimethyl-, 1,1-dimethylethyl ester, (E)- is a complex organic compound with a molecular formula of C16H21NO4. It is characterized by a pyrrole ring, which is a five-membered aromatic ring containing one nitrogen atom, and a carboxylic acid group. The molecule features a 3,4-dimethyl substitution on the pyrrole ring, and a 5-[(4,4-dimethyl-5-oxo-2-pyrrolidinylidene)methyl] group attached to the pyrrole nucleus. The compound is further modified by a 1,1-dimethylethyl ester group, which is an ester derived from isopropanol, and the (E)- configuration indicates the geometric isomerism of the molecule. 1H-Pyrrole-2-carboxylic acid, 5-[(4,4-dimethyl-5-oxo-2-pyrrolidinylidene)methyl]-3,4-dimethyl-, 1,1-dimethylethyl ester, (E)- is likely to be found in the field of organic chemistry, potentially as an intermediate in the synthesis of pharmaceuticals or other complex organic molecules.

84750-70-9

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84750-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84750-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,5 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84750-70:
(7*8)+(6*4)+(5*7)+(4*5)+(3*0)+(2*7)+(1*0)=149
149 % 10 = 9
So 84750-70-9 is a valid CAS Registry Number.

84750-70-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-[1-(4,4-dimethyl-5-oxo-pyrrolidin-2-ylidene)-methyl]-3,4-dimethyl-1H-pyrrole-2-carboxylic acid tert-butyl ester

1.2 Other means of identification

Product number -
Other names (E)-1,3,4,5-Tetrahydro-4,4,3',4'-tetramethyl-5-oxo-2,2'-pyrromethen-5'-carbonsaeure-tert-butylester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
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More Details:84750-70-9 SDS

84750-70-9Downstream Products

84750-70-9Relevant academic research and scientific papers

Electrophilic Substitution and Nucleophilic Addition of 3,4-Dihydro-5(1H)-pyrromethenones

Grubmayr, Karl,Kapl, Gerhard

, p. 605 - 624 (1988)

3,4-Dihydro-5(1H)-pyrromethenones are easier attacked at the meso-position by electrophiles than 5(1H)-pyrromethenones.This is demonstrated both by a Mannich-type-substitution or deuterium-exchange-experiments and by the addition of O-, S-, and N-Nucleophiles to the exocyclic double bond of the model-dihydropyrromethenone (Z)-1 under very mild reaction conditions.Applying these results to the chemistry of 2,3-dihydro-bilatrienes-abc, their chemical characteristics - especially their tautomeric behaviour and their dominant C-5-selectivity towards electrophiles - become better understandable. - Keywords: 3,4-Dihydro-5(1H)-pyrromethenones; 5(1H)-Pyrromethenones; 2,3-Dihydro-bilatrienes-abc; Electrophilic substitution; Nucleophilic addition

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