Cas 1245571-63-4,(2S,4R)-5-[tert-butoxycarbonylamino-3-(tert-butyldiphenylsiloxy)-phenyl]-4-hydroxy-5-methoxy-3,7-dimethyl-oct-2-en

1245571-63-4

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Basic information

Product Name: (2S,4R)-5-[tert-butoxycarbonylamino-3-(tert-butyldiphenylsiloxy)-phenyl]-4-hydroxy-5-methoxy-3,7-dimethyl-oct-2-en
Synonyms: (2S,4R)-5-[tert-butoxycarbonylamino-3-(tert-butyldiphenylsiloxy)-phenyl]-4-hydroxy-5-methoxy-3,7-dimethyl-oct-2-en
CAS NO:1245571-63-4
Molecular Formula:
Molecular Weight: 631.928
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: (2S,4R)-5-[tert-butoxycarbonylamino-3-(tert-butyldiphenylsiloxy)-phenyl]-4-hydroxy-5-methoxy-3,7-dimethyl-oct-2-en(CAS DataBase Reference)
NIST Chemistry Reference: (2S,4R)-5-[tert-butoxycarbonylamino-3-(tert-butyldiphenylsiloxy)-phenyl]-4-hydroxy-5-methoxy-3,7-dimethyl-oct-2-en(1245571-63-4)
EPA Substance Registry System: (2S,4R)-5-[tert-butoxycarbonylamino-3-(tert-butyldiphenylsiloxy)-phenyl]-4-hydroxy-5-methoxy-3,7-dimethyl-oct-2-en(1245571-63-4)

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: 1245571-63-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1245571-63-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,5,7 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1245571-63:
(9*1)+(8*2)+(7*4)+(6*5)+(5*5)+(4*7)+(3*1)+(2*6)+(1*3)=154
154 % 10 = 4
So 1245571-63-4 is a valid CAS Registry Number.

1245571-63-4Upstream product

6737-11-7 2-acetoxy-3-butene

1245571-63-4Downstream Products

1245571-63-4Relevant academic research and scientific papers

Stereocontrolled palladium-catalysed umpolung allylation of aldehydes with allyl acetates

Vogt, Monika,Ceylan, Sascha,Kirschning, Andreas

, p. 6450 - 6456 (2010)

In the present work the stereocontrolled palladium-catalysed umpolung allylation of aldehydes is described. Allyl acetates are in situ transformed into the corresponding allyl boronates, which directly react with aldehydes. The question of stereocontrol is raised by employing (a) chiral boronating agents (reagent control) and by (b) utilising chiral aldehydes (substrate control). These studies reveal that the approach based on substrate control is superior to the former one with respect to yields and stereoselectivity. Remarkably, this umpolung protocol often yields the 4,5-syn products in high selectivity, which is unprecedented for direct crotylations.

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