Cas 330652-60-3,(4S,5S,4''S)-2-[(E)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethenyl]-4,5-bis(methoxydiphenylmethyl)-1,3,2-dioxaborolane

330652-60-3

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Basic information

Product Name: (4S,5S,4''S)-2-[(E)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethenyl]-4,5-bis(methoxydiphenylmethyl)-1,3,2-dioxaborolane
Synonyms:
CAS NO:330652-60-3
Molecular Formula:
Molecular Weight: 590.524
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: (4S,5S,4''S)-2-[(E)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethenyl]-4,5-bis(methoxydiphenylmethyl)-1,3,2-dioxaborolane(CAS DataBase Reference)
NIST Chemistry Reference: (4S,5S,4''S)-2-[(E)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethenyl]-4,5-bis(methoxydiphenylmethyl)-1,3,2-dioxaborolane(330652-60-3)
EPA Substance Registry System: (4S,5S,4''S)-2-[(E)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethenyl]-4,5-bis(methoxydiphenylmethyl)-1,3,2-dioxaborolane(330652-60-3)

Safety Data

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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 330652-60-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 330652-60-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,6,5 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 330652-60:
(8*3)+(7*3)+(6*0)+(5*6)+(4*5)+(3*2)+(2*6)+(1*0)=113
113 % 10 = 3
So 330652-60-3 is a valid CAS Registry Number.

330652-60-3Upstream product

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330652-60-3Relevant academic research and scientific papers

Enantiomerically pure cyclopropylboronic esters: Auxiliary-versus substrate-control

Pietruszka, Joerg,Witt, Andreas

, p. 4293 - 4300 (2008/10/08)

Stable, enantiomerically pure cyclopropylboronic esters are synthesized from alkynes by a hydroboration-cyclopropanation sequence. The direct hydroboration-utilizing 1,3,2-dioxaborolane 4-is most convenient, however, with more functionalized side-chains it failed to give the desired intermediates. Using the more reactive dicyclohexylborane, followed by oxidation and transesterification, is a good alternative one-pot conversion. Cyclopropanations were performed either following a Simmons-Smith protocol or with diazomethane-palladium(II) acetate. The influence on the diastereoselectivity of the auxiliary 1 is compared with the influence of an additional stereogenic center in the side-chain.

Enantiomerically pure cyclopropylboronic esters: Auxiliary- versus substrate-control

Pietruszka, Joerg,Witt, Andreas

, p. 4293 - 4300 (2007/10/03)

Stable, enantiomerically pure cyclopropylboronic esters are synthesized from alkynes by a hydroboration-cyclopropanation sequence. The direct hydroboration - utilizing 1,3,2-dioxaborolane 4 - is most convenient, however, with more functionalized side-chains it failed to give the desired intermediates. Using the more reactive dicyclohexylborane, followed by oxidation and transesterification, is a good alternative one-pot conversion. Cyclopropanations were performed either following a Simmons-Smith protocol or with diazomethane-palladium(II) acetate. The influence on the diastereoselectivity of the auxiliary 1 is compared with the influence of an additional stereogenic center in the side-chain. The Royal Society of Chemistry 2000.

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