2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide
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2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide
structure -
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CAS No:
73250-68-7
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Formula:
C16H14N2O2S
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Chemical Name:
2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide
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Synonyms:
Acetamide,2-(2-benzothiazolyloxy)-N-methyl-N-phenyl-;2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide;FOE 1976;Mefenacet;NTN 801;Rancho;BTMPA;2-(Benzo[d]thiazol-2-yloxy)-N-methyl-N-phenylacetamide;97094-69-4;210883-93-5
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CAS No:
Description
Mefenacet is a member of benzothiazoles and a tertiary carboxamide. It has a role as an antimitotic and a herbicide.
2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide Basic Attributes
298.36
298.36
277-328-8
QI0QTA02DG
DTXSID7058173
2934200018
Characteristics
70.7
3.85
Colourless, odourtess crystals.
1.3±0.1 g/cm3
134.8 °C
441.0±47.0 °C at 760 mmHg
>100 °C
1.683
1.34e-05 M
0-6°C
4.80e-09 mmHg
Oral-rat LD50: >5000mg/kg; Inhalation-rat LC50: >94.5mg/m3
Flammable; burning produces toxic nitrogen oxides and sulfur oxide fumes
Safety Information
UN 3077
2
51/53
61
AB4542550
N
Ventilated, low temperature and dry; stored separately from food materials in warehouse
P273
H411
|H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]|P273, P391, and P501|H411 (100%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]|Aggregated GHS information provided by 53 companies from 1 notifications to the ECHA C&L Inventory.|Warning|H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]|P201, P202, P260, P281, P308+P313, P314, P405, and P501
2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide Use and Manufacturing
Preparation of α-hydroxy-N-methylacetanilide Anhydrous glycolic acid reacts with acetyl chloride at 20-30°C, evaporates excess acetyl chloride at 90-100°C, thionyl chloride is added dropwise after cooling, and heated to boiling, the reaction 3h, purified by vacuum distillation to obtain acetoxyacetyl chloride, yield 70%; the product is reacted with N-methyl aniline at 0～10℃ in toluene solvent, continue to react at 20℃ for 15h to obtain acetoxy -N-methylacetanilide, yield 74%; product acetoxy-N-methylacetanilide dissolved in methanol, added concentrated sodium hydroxide solution at 30 ℃, stirred at 20 ℃ for 15h, after The treatment yielded light yellow white crystalline α-hydroxy-N-methylacetanilide with a yield of 86%. 2-chlorobenzothiazole can also be prepared by chlorination of benzothiazole in the pyridine solution in the presence of AlCl3 and POCl3. Synthesis of fenoxazone In dissolved sodium hydroxide and α-hydroxy-N-methylacetanilide, add 2-chlorobenzothiazole at 20℃, react at 40～50℃ for 2h, and obtain benzene by post-treatment Thiachlor, mp118℃, yield 84%.
Herbicide.
Agrochemicals -> Herbicides
Computed Properties
Molecular Weight:298.4
XLogP3:3.2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:4
Exact Mass:298.07759887
Monoisotopic Mass:298.07759887
Topological Polar Surface Area:70.7
Heavy Atom Count:21
Complexity:360
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide
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