Cas 155720-56-2,4-(tert-Butyldimethylsilyloxy)-5,6-benzobicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne

155720-56-2

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Basic information

Product Name: 4-(tert-Butyldimethylsilyloxy)-5,6-benzobicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne
Synonyms: 4-(tert-Butyldimethylsilyloxy)-5,6-benzobicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne
CAS NO:155720-56-2
Molecular Formula:
Molecular Weight: 346.544
EINECS: N/A
Product Categories: N/A
Mol File: 155720-56-2.mol
Article Data: 1

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: 4-(tert-Butyldimethylsilyloxy)-5,6-benzobicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne(CAS DataBase Reference)
NIST Chemistry Reference: 4-(tert-Butyldimethylsilyloxy)-5,6-benzobicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne(155720-56-2)
EPA Substance Registry System: 4-(tert-Butyldimethylsilyloxy)-5,6-benzobicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne(155720-56-2)

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: 155720-56-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 155720-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,7,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 155720-56:
(8*1)+(7*5)+(6*5)+(5*7)+(4*2)+(3*0)+(2*5)+(1*6)=132
132 % 10 = 2
So 155720-56-2 is a valid CAS Registry Number.

155720-56-2Upstream product

38846-64-9 2-ethynylbenzaldehyde

155720-56-2Downstream Products

219-08-9 3H-Cyclopenta phenanthrene

155720-56-2Relevant articles and documents

Synthesis of 5-/10-membered ring analogues of the dienediyne core of neocarzinostatine chromophore by palladium(0)-mediated ring-closure reaction

Suffert, Jean,Abraham, Estelle,Raeppel, Stephane,Brueckner, Reinhard

, p. 447 - 456 (2007/10/03)

The new dienediynes 5, 6, and 7 were synthesised from a monoprotected diyne and an already described bis(enol triflate) 4 derived from formylcyclopentanone. When 5 and 6 were subjected to nucleophilic attack by a thiol, cycloaromatisation occurred, and the phenanthrenes 23a and 23b were obtained in 30 and 42% yield, respectively. VCH Verlagsgesellschaft mbH, 1996.

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