There will be a HazMat fee per item when shipping a dangerous goods. The HazMat fee will be charged to your UPS/DHL/FedEx collect account or added to the invoice unless the package is shipped via Ground service. Ship by air in Excepted Quantity (each bottle), which is up to 1g/1mL for class 6.1 packing group I or II, and up to 25g/25ml for all other HazMat items.
Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
Inaccessible (Haz class 6.1), International | USD 150+ |
Accessible (Haz class 3, 4, 5 or 8), Domestic | USD 100+ |
Accessible (Haz class 3, 4, 5 or 8), International | USD 200+ |
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CAS No. : | 13811-50-2 | MDL No. : | MFCD04112604 |
Formula : | C7H10N2O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 138.17 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P201-P202-P264-P270-P273-P280-P301+P312+P330-P305+P351+P338+P310-P308+P313-P405-P501 | UN#: | 1759 |
Hazard Statements: | H302-H318-H361-H402 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
40% | With tributylphosphine In N,N-dimethyl acetamide at 140℃; for 16h; Glovebox; Sealed tube; Autoclave; | |
15% | With dmap; [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); tributylphosphine In toluene at 120℃; for 16h; Autoclave; Glovebox; | |
15% | With dmap; tributylphosphine In toluene at 120℃; for 16h; Inert atmosphere; Autoclave; Glovebox; | 28 B) General procedure for examples 13, 15, 16, 17, 19, 20, 26, 28, 34, 35, 36, 37, 39, 41: An approximately 40 ml_ autoclave (Premex, Hastelloy) was charged with CodRu(met)2 (0.02 0,06 mmol), cyclic compound C (1 mmol), toluene (5.0 ml_, entries 15, 17, 18, 19, 21, 22, 33, 35, 43, 47, 49) or dimethylphormamide (5-8 ml_, entries 42, 44, 45), DMAP (0,04 - 0,12 mmol) and tri- n-butylphosphine (0,06 - 0,18 mmol) under argon atmosphere in the Glovebox. After closing the reaction vessel, the system was purged with acetylene (3 times). Finally, the autoclave was pressurized with acetylene (at 1 ,5 bar for 15 min at room temperature) and heated at 100-150 oC. The mixture was then stirred at the speci-fied temperature for 14-18 h. Note: At this temper ature the internal pressure rises to 4-6 bar. Then, the reaction was cooled down on a water bath and depressurized carefully. The crude mixture was collected in a round bottom flask and con centrated under vacuum. Subsequently, it was dissolved in 1 ml_ of CH2CI2 and coated on sil ica. The product was isolated by column chromatography (petroleum ether/ethyl: acetate 8/2 - for different products the system ratio was slightly varied). |
With potassium-compound of imidazolidin-2-one; toluene at 80 - 120℃; |