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Merck
CN

251356

亚甲基环戊烷

97%

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关于此项目

线性分子式:
C5H8(=CH2)
化学文摘社编号:
分子量:
82.14
EC Number:
216-203-4
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
1847501
MDL number:
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assay

97%

refractive index

n20/D 1.435 (lit.)

bp

75-76 °C (lit.)

density

0.781 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C=C1CCCC1

InChI

1S/C6H10/c1-6-4-2-3-5-6/h1-5H2

InChI key

NFJPEKRRHIYYES-UHFFFAOYSA-N

General description

Hydration rate of methylenecyclopentane has been measured spectrophotometrically in aqueous perchloric acid. Trost′s palladium-mediated methylenecyclopentane annelation to the nitroalkene yields methylenecyclopentane derivative.

Application

Methylenecyclopentane has been used in total synthesis of (±)-cephalotaxin.


pictograms

FlameHealth hazard

signalword

Danger

hcodes

Hazard Classifications

Asp. Tox. 1 - Flam. Liq. 2

存储类别

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-0.4 °F - closed cup

flash_point_c

-18 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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The total synthesis of cephalotaxine.
J Auerbach et al.
Journal of the American Chemical Society, 94(20), 7172-7173 (1972-10-04)
COMPARISON OF THE TRANSITION-STATE ENERGIES OF ACID-CATALYZED HYDRATIONS OF SOME 1-METHYLCYCLOALKENES AND METHYLENECYCLOALKANES.
Lajunen M and Himottu M.
Acta Chemica Scandinavica, 41(5), 252-258 (1987)



全球贸易项目编号

货号GTIN
521237-5MG04055977271416