Cas 1643448-91-2,methyl 4-(1,3-dithiolan-2-ylidene)-1,3-dioxo-2,6-di-p-tolyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylate

1643448-91-2

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Basic information

Product Name: methyl 4-(1,3-dithiolan-2-ylidene)-1,3-dioxo-2,6-di-p-tolyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylate
Synonyms: methyl 4-(1,3-dithiolan-2-ylidene)-1,3-dioxo-2,6-di-p-tolyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylate
CAS NO:1643448-91-2
Molecular Formula:
Molecular Weight: 501.627
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: methyl 4-(1,3-dithiolan-2-ylidene)-1,3-dioxo-2,6-di-p-tolyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylate(CAS DataBase Reference)
NIST Chemistry Reference: methyl 4-(1,3-dithiolan-2-ylidene)-1,3-dioxo-2,6-di-p-tolyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylate(1643448-91-2)
EPA Substance Registry System: methyl 4-(1,3-dithiolan-2-ylidene)-1,3-dioxo-2,6-di-p-tolyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylate(1643448-91-2)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1643448-91-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1643448-91-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,3,4,4 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1643448-91:
(9*1)+(8*6)+(7*4)+(6*3)+(5*4)+(4*4)+(3*8)+(2*9)+(1*1)=182
182 % 10 = 2
So 1643448-91-2 is a valid CAS Registry Number.

1643448-91-2Upstream product

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1643448-91-2Relevant academic research and scientific papers

Base-catalyzed bicyclization of dialkyl glutaconates with cinnamoylacetamides: A synthetic strategy for isoquinolinedione derivatives

Li, Lei,Zhao, Yu-Long,Wang, He,Li, Yi-Jin,Xu, Xianxiu,Liu, Qun

supporting information, p. 6458 - 6460 (2014/06/09)

We report here that polysubstituted dihydroisoquinolones and isoquinolones can be constructed by the one-pot reaction of the readily available acyclic α,β-unsaturated carbonyl precursors and dialkyl glutaconates under mild basic conditions (1-45 min for the former vs. 1-6 h for the latter) via the domino process involving [3+3] annulation/intramolecular aza-cyclization. This journal is the Partner Organisations 2014.

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