N-Methyl-2-pyrrolidone

ʻO ka wehewehe pōkole:

Inoa mea kūʻai:N-Methyl-2-pyrrolidone

Nā huaʻōlelo like:M-PYROL(R);1-Methyl-2-pyrrolidinone(99.5%, HyDry, Water≤50 ppm (e KF));1-Methyl-2-pyrrolidinone(99.5%, HyDry, me nā kānana molekala, Water≤50 ppm (na KF));N-Methyl-2-pyrrolidone Mea Hana;1-METHYL-2-PYRROLIDONE, REAGENT (ACS)1-METHYL-2-PYRROLIDONE, REAGENT (ACS)1-METHYL-2-PYRROLIDONE, REAGENT ( ACS);1-Methyl-2-pyrrolidinone 872-50-4 NMP N-Methyl-2-pyrrolidinone;N-Methyl-2-pyrrolidinone 872-50-4 NMP;1-METHYL-2-PYRROLIDINONE

CAS:872-50-4

MF:C5H9NO

MW:99.13

EINECS:212-828-1

Māhele Huahana:NMP; Nā mea hana kemika; UV/Vis); GC Headspace Solvents; GC Solvents; Solvents no nā noi GC; ACS a me Reagent Grade Solvents; ACS Grade; ACS Grade Solvents; Nā kinikini kila me nā NPT Threads; Nā metala kaumaha; Nā mea hoʻonā no LC- ICP-MS; Toxins ('ē aʻe ma mua o ka pesticides/koena lāʻau); Nā noi; Nānā Mea inu; Nā Papa Hana; C4 a i C8; Hoʻohui Kemika; Meaʻai &; GC-MS Solvents; Palena Hale Heterocyclic; ICP-OES/-MS; Pyrrolidines; Reagents for Inorganic Trace Analysis; Solvents for Metal Speciation Analysis; Solvents for Speciation Analysis (LC-ICP-MS) Hoʻohana; ʻEnaehana ʻē aʻe; ʻO nā ʻōmole aniani ʻAmber; Nā mea hoʻoponopono hōʻike; Analytical/Chromatography; CHROMASOLV Plus; Chromatography Reagents &; Electrolytes; HPLC &; HPLC Plus Grade Solvents (CHROMASOLV);HPLC/UHPLC Solvents (CHROMASOLV); Nā Mea Hana Mea ʻEpekema; ʻO nā mea hoʻoheheʻe Organic; Semi-Bulk Solvents; ʻOmole Hoʻoheheʻe; Nā Koho Hoʻopili Hoʻoheheʻe; UHPLC Solvents (CHROMASOLV); NMR; Spectrophotometric Grade; Spectrophotometric Solvents; Spectroscopy Solvents (IR; Nā Mea Hoʻihoʻi Hoʻihoʻi; ʻO nā Bottles Sure/Seal; BiorroldonsSotechsBioteches; ;Pono/Sila?ʻO nā ʻōmole;872-50-4;bc0001

Kōnae Mol:872-50-4.mol

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Pyrrolidone Kimia Waiwai

Lae hehee	-24 °C (māmā)
Lae paila	202 °C (māmā) 81-82 °C/10 mmHg (māmā)
mānoanoa	1.028 g/mL ma 25 °C (kukui)
māhu mahu	3.4 (vs ea)
kaomi mahu	0.29 mm Hg (20 °C)
hōʻike hoʻopaʻa ʻana	n20/D 1.479
Fp	187 °F
ka mahana mālama.	E mālama ma +5°C a i +30°C.
hikiwawe	ethanol: miscible0.1ML/mL, akaka, kala ole (10%, v/v)
ʻano	Waiwai
pka	-0.41±0.20(Wanamua)
kala kala	≤20(APHA)
PH	8.5-10.0 (100g/l, H2O, 20 ℃)
ʻala	ʻala amine liʻiliʻi
PH Lahi	7.7 - 8.0
palena pahū	1.3-9.5%(V)
Hiki i ka wai	>=10 g/100 mL ma 20 ºC
Pilikino	Hygroscopic
λmax	283nm(MeOH)(kumu)
ʻO Merck	14,6117
BRN	106420
Paʻa:	Paʻa, akā decompose ke ʻike ʻia i ka mālamalama.Hiki ke puhi.ʻAʻole kūpono me nā mea hoʻoheheʻe ikaika, nā waikawa ikaika, nā mea hoʻohaʻahaʻa, nā kumu.
InChIKey	SECXISVLQFMRJM-UHFFFAOYSA-N
LogP	-0.46 ma 25 ℃
ʻIkepili ʻikepili CAS	872-50-4(Hōʻike Papaʻikepili CAS)
NIST Chemistry Reference	2-Pyrrolidinone, 1-methyl-(872-50-4)
Pūnaehana Kakau Lapaʻau EPA	N-Methyl-2-pyrrolidone (872-50-4)

ʻIke palekana

Nā Code Hazard	T,Xi
Nā ʻŌlelo Hoʻopilikia	45-65-36/38-36/37/38-61-10-46
Nā ʻōlelo palekana	41-45-53-62-26
WGK Kelemānia	1
RTECS	UY5790000
F	3-8-10
ʻO ka wela hoʻomāmā	518 °F
TSCA	Y
HS Code	2933199090
ʻIkepili Mea Pilikino	872-50-4(ʻIkepili Mea Pilikino)
Kaʻawaʻawa	LD50 ma ka waha i ka Lapeti: 3598 mg/kg LD50 dermal Rabbit 8000 mg/kg

Pyrrolidone Hoʻohana A Hoʻohui

Na Waiwai Kemika	ʻO ka N-Methyl-2-pyrrolidone he wai ʻaʻohe waihoʻoluʻu a ʻulaʻula melemele me ka ʻala liʻiliʻi o ka amonia.Hiki i ka N-Methyl-2-pyrrolidone ke hui pū me ka wai.Hiki ke hoʻoheheʻe ʻia i loko o nā waiʻona haʻahaʻa, nā ketone haʻahaʻa, etera, ethyl acetate, chloroform, a me benzene a hiki ke hoʻoheheʻe ʻia i loko o nā hydrocarbons aliphatic.ʻO ka N-Methyl-2-pyrrolidone he hygroscopic ikaika, paʻa kemika, ʻaʻole ʻino i ke kila kalapona a me ka aluminika, a ʻino iki i ke keleawe.He haʻahaʻa adhesiveness, kemika ikaika a me ka thermal stability, polarity kiʻekiʻe, a me ka volatility haʻahaʻa.He mea ʻawaʻawa kēia huahana, a ʻo kona palena ʻae ʻia i ka ea he 100ppm. ʻO ka N-Methyl-2-pyrrolidone he mea hoʻoheheʻe i hoʻohanaʻia i nāʻoihana likeʻole a me nā noi, e like me ka pena a me ka weheʻana i ka uhiʻana, ka hana petrochemical, ka'enekini plastics coatings, nā mea mahiʻai, ka hoʻomaʻemaʻe uila a me ka hoʻomaʻemaʻeʻoihana / home.
Hoʻohana	ʻO N-Methyl-2-pyrrolidone (NMP) he mea hoʻoheheʻe polar aprotic i loaʻa nā pōmaikaʻi o ka haʻahaʻa haʻahaʻa, ka paila kiʻekiʻe, ka solvency koʻikoʻi, ke koho ikaika a me ke kūpaʻa maikaʻi.Hoʻohana nui ʻia ia i ka hoʻomaʻemaʻe ʻana i ka ʻili hydrocarbon aromatic, acetylene, olefins, a me diolefins. Hoʻohana ʻia ia i ka hoʻomaʻemaʻe ʻoihana, a lawelawe ia ma ke ʻano he mea hoʻoheheʻe no ka hana ʻana i nā pesticides, ʻenekinia plastics, coatings, synthetic fibers, a me nā kaapuni i hoʻohui ʻia. Hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻomaʻemaʻe ʻoihana, dispersant, dye, lubricant a me antifreeze. ʻO ka N-Methyl-2-pyrrolidone he mea hoʻoheheʻe maikaʻi loa, hoʻohana nui ʻia i ka hoʻoheheʻe ʻana i nā meaʻala, hoʻomaʻemaʻe ʻaila hinu, hoʻonui acetylene, hoʻokaʻawale butadiene a me ka desulfurization kinoea synthesis. Hoʻohana ʻia ia i ka desulfurization kinoea, hoʻomaʻemaʻe aila lubricating, lubricating aila antifreeze, olefin extraction, a ma ke ʻano he mea hoʻoheheʻe no ka insoluble engineering plastics polymerization. Hiki ke hoʻohana ʻia i ka herbicide, e hoʻomaʻemaʻe i nā mea insulation, nā mea hana semiconductor ʻoihana pololei a me nā papa kaapuni, e hoʻihoʻi hou i ka exhaust PVC, ma ke ʻano he mea hoʻomaʻemaʻe, hoʻohui wai a me ka mea hoʻopuehu. Hoʻohana ʻia ia i nā mediums no nā hopena polymerization e like me nā plastics engineering a me ka fiber aramid. Hoʻohana ʻia ʻo N-Methyl-2-pyrrolidone ma ke ʻano he polyvinylidene fluoride solvent a me ka electrode auxiliary mea no nā pā lithium ion. papa maʻemaʻe kiʻekiʻe no ka ʻike ICP-MS. No ka peptide synthesis.
ʻona	Oral (mus)LD50:5130 mg/kg;Oral (rat)LD50:3914 mg/kg;Dermal (rbt)LD50:8000 mg/kg.
Holoi ʻōpala	E kūkākūkā i nā hoʻoponopono mokuʻāina, kūloko a aupuni paha no ka hoʻokuʻu pono ʻana.Pono e hana ʻia e like me nā lula kūhelu.ʻO ka wai, inā pono me nā mea hoʻomaʻemaʻe.
waihona	ʻO N-Methyl-2-pyrrolidone he hygroscopic (ʻohi i ka wai) akā paʻa ma lalo o nā kūlana maʻamau.E hana ikaika ia me nā oxidizer ikaika e like me ka hydrogen peroxide, nitric acid, sulfuric acid, a pēlā aku.Pono e pale ʻia ka ʻike nui ʻana a i ʻole ke kahe ʻana ma ke ʻano he hana maikaʻi.Manaʻo ʻo Lyondell Chemical Company e hoʻohana i nā mīkina lima butyl i ka wā e hoʻohana ai iā N-Methyl-2-pyrrolidone.Pono e mālama ʻia ʻo N-Methyl-2-pyrrolidone i loko o nā pahu kila maʻemaʻe me ka phenolic-lined.Ua hōʻike ʻia ʻo Teflon®1 a me Kalrez®1 i nā mea gasket kūpono.E ʻoluʻolu e nānā i ka MSDS ma mua o ka lawelawe ʻana.
wehewehe	ʻO ka N-Methyl-2-pyrrolidone he mea hoʻoheheʻe aprotic me ka nui o nā noi: ka hoʻoheheʻe petrochemical, ka uhi ʻana o ka ʻili, nā dyes a me nā puaʻa, nā mea hoʻomaʻemaʻe ʻoihana a me nā hale hoʻomaʻemaʻe, a me nā ʻano hana mahiʻai a me nā lāʻau lapaʻau.He mea hoʻonāukiuki nui ia, akā ua hoʻokumu pū kekahi i nā hihia o ka dermatitis contact i loko o kahi hui electrotechnical liʻiliʻi.
Na Waiwai Kemika	ʻO ka N-Methyl-2-pyrrolidone he wai melemele ʻole a māmā paha me kahi ʻala amine.Hiki iā ia ke hana i kekahi mau hopena kemika ʻoiai ua ʻae ʻia ʻo ia ma ke ʻano he solvent paʻa.He kūpaʻa ia i ka hydrolysis ma lalo o nā kūlana kūʻokoʻa, akā ʻo ka ʻakika ikaika a i ʻole ka hoʻomaʻamaʻa base ka hopena i ka puka apo i ka 4-methyl aminobutyric acid.Hiki ke hoʻemi ʻia ka N-Methyl-2-pyrrolidone i ka 1-methyl pyrrolidine me ka borohydride.ʻO ka hoʻomaʻamaʻa ʻana me nā mea chlorinating ka hopena i ka hoʻokumu ʻana o ka amide, kahi waena e hiki ke hoʻololi hou aʻe, aʻo ka mālama ʻana me ka amyl nitrate e loaʻa ai ka nitrate.Hiki ke hoʻohui ʻia nā Olefins i ke kūlana 3 ma ka mālama mua ʻana me nā esters oxalic, a laila me nā aldehyes kūpono (Hort and Anderson 1982).
Hoʻohana	ʻO ka N-Methyl-2-pyrrolidone he mea hoʻoheheʻe polar i hoʻohana ʻia i ka kemika organik a me ka kemika polymer.Loaʻa i nā noi nui ka hoʻihoʻi ʻana a me ka hoʻomaʻemaʻe ʻana i nā acetylenes, olefins, a me diolefins, hoʻomaʻemaʻe kinoea, a me nā mea ʻala ʻala mai nā mea hānai.Ua ʻae ʻia ʻo NMP no ka hoʻohana ʻana i nā lāʻau lapaʻau holoholona wale nō.ʻO ka hoʻoholo ʻana i ke ʻano a me ka metabolism o NMP i ka ʻiole e kōkua i ka hoʻomaopopo ʻana i ka toxicology o kēia kemika exogenous e ʻike paha ke kanaka i ka nui o ka nui.
Hoʻohana	Solvent no nā resins wela wela;ka hana ʻana i ka petrochemical, i loko o ka ʻoihana hana microelectronics, nā mea pena a me nā puaʻa, nā mea hoʻomaʻemaʻe ʻoihana a me nā hale;nā hana mahiʻai a me nā lāʻau lapaʻau
Hoʻohana	N-Methyl-2-pyrrolidone, he mea pono no ka spectrophotometry, chromatography a me ICP-MS detection.
Wehewehe	ChEBI: He lālā o ka papa pyrrolidine-2-ones ʻo ia ka pyrrolidin-2-one kahi i hoʻololi ʻia ai ka hydrogen i hoʻopili ʻia i ka nitrogen e kahi hui methyl.
Hana Hana	Hana ʻia ʻo N-Methyl-2-pyrrolidone e ka hopena o ka buytrolactone me ka methylamine (Hawley 1977).ʻO nā kaʻina hana ʻē aʻe e pili ana i ka hoʻomākaukau ʻana ma o ka hydrogenation o nā ʻakika maleic a succinic paha me ka methylamine (Hort and Anderson 1982).ʻO nā mea hana o kēia kemika ʻo Lachat Chemical, Inc, Mequon, Wisconsin a me GAF Corporation, Covert City, Kaleponi.
Hōʻike (nā) Synthesis	Palapala Tetrahedron, 24, p.1323, 1983DOI: 10.1016/S0040-4039(00)81646-9
Ka wehewehe nui	ʻO N-Methyl-2-Pyrrolidone (NMP) he mea hoʻoheheʻe aprotic ikaika me ka solvency kiʻekiʻe, a me ka volatility haʻahaʻa.ʻO kēia wai waihoʻoluʻu, hoʻolapalapa kiʻekiʻe, kiʻekiʻe o ka uila a me ka wai haʻahaʻa haʻahaʻa haʻahaʻa e lawe i kahi ʻala e like me ka amine.Loaʻa i ka NMP ka paʻa kemika a me ka wela a hiki ke hui pū me ka wai i nā mahana āpau.Hiki i ka NMP ke hoʻoheheʻe pū me ka wai, nā waiʻona, nā glycol ethers, nā ketones, a me nā hydrocarbons aromatic / chlorinated.Hiki ke hana hou ʻia ʻo NMP e ka distillation a hiki ke biodegradable.ʻAʻole ʻike ʻia ʻo NMP ma ka papa inoa Hazardous Air Pollutants (HAPs) o ka 1990 Clean Air Act Amendments.
Na Ea & Wai	Hiki i ka wai.
Hōʻike Hōʻikeʻike	ʻO kēia amine kahi kumu kemika māmā loa.ʻO N-Methyl-2-pyrrolidone ka mea e hoʻokaʻawale i nā ʻakika e hana i nā paʻakai me ka wai.ʻO ka nui o ka wela i hoʻololi ʻia i kēlā me kēia mole o ka amine i loko o ka neutralization ʻaʻole kūʻokoʻa i ka ikaika o ka amine ma ke ʻano he kumu.ʻAʻole hiki ke ʻae ʻia nā amine me nā isocyanates, nā mea ola halogenated, peroxides, phenols (acidic), epoxides, anhydride, a me nā halides acid.Hoʻokumu ʻia ka hydrogen gaseous flammable e nā amine i hui pū ʻia me nā mea hoʻemi ikaika, e like me nā hydrides.
Pilikia	ʻO ka ʻili koʻikoʻi a me ka maka.ʻO ka palena pahū-ʻo 2.2-12.2%.
Pilikia Ola	Hiki i ka inhalation o ka mahu wela ke hoonaukiuki i ka ihu a me ka puu.Hoʻopilikia ka waha a me ka ʻōpū i ka ʻai ʻana.ʻO ka pili ʻana me nā maka ke kumu o ka huhū.ʻO ka hoʻopili pinepine ʻana a me ka lōʻihi o ka ʻili e hoʻoulu ai i ka ʻeha ʻeha.
Pilikia ahi	ʻO nā pōʻino kūikawā o nā huahana kuni: Hiki ke hana ʻia nā oxide ʻona o ka nitrogen i ke ahi.
ʻO ke ahi a me ka pahū	ʻAʻole hiki ke wela
Hoʻohana ʻenehana	1) N-Methyl-2-pyrrolidone hoʻohana ʻia ma ke ʻano he dipolar aprotic solvent, kūpaʻa a me ka hana ʻole; 2) no ka unuhi ʻana i nā hydrocarbons ʻala mai ka ʻaila lubricating; 3) no ka wehe ʻana i ke kalapona i loko o nā mea hoʻomohala amonia; 4) ma ke ʻano he mea hoʻoheheʻe no nā hopena polymerization a me nā polymers; 5) ma ke ʻano he mea pena; 6) no ka hana ʻana i ka pesticide (USEPA 1985). ʻO nā mea hoʻohana ʻole ʻē aʻe o N-Methyl-2-pyrrolidone e pili ana i kāna mau waiwai ma ke ʻano he mea hoʻoheheʻe dissociating kūpono no nā haʻawina electrochemical a me ke kino (Langan and Salman 1987).Hoʻohana ka lāʻau lapaʻau i nā waiwai o N-Methyl-2-pyrrolidone ma ke ʻano he mea hoʻonui i ka hoʻololi ʻana i nā mea ma o ka ʻili (Kydoniieus 1987; Barry and Bennett 1987; Akhter and Barry 1987).Ua ʻae ʻia ʻo N-Methyl-2-pyrrolidone ma ke ʻano he mea hoʻoheheʻe no ka noi slimicide i nā mea hoʻopili meaʻai (USDA 1986).
E hoʻopili i nā mea allergens	ʻO ka N-Methyl-2-pyrrolidone he mea hoʻoheheʻe aprotic me ka nui o nā noi: ka hoʻoheheʻe petrochemical, ka uhi ʻana o ka ʻili, nā dyes a me nā puaʻa, nā mea hoʻomaʻemaʻe ʻoihana a me nā hale hoʻomaʻemaʻe, a me nā ʻano hana mahiʻai a me nā lāʻau lapaʻau.He mea hoʻonāukiuki, akā hiki ke hoʻoulu i ka dermatitis pili kino ma muli o ka pilina lōʻihi.
Palapala Palekana	ʻOi ma ke ala intravenous.He mea ʻawaʻawa ma ka ʻai ʻana a me nā ala intraperitoneal.He mea ʻawaʻawa ma ka pili ʻana i ka ʻili.He teratogen hoʻokolohua.Nā hopena hānau hoʻokolohua.Ua hōʻike ʻia ka ʻikepili hoʻololi.Hiki ke puhi ʻia ke ʻike ʻia i ka wela, ka lapalapa ahi, a i ʻole nā mea hoʻoheheʻe ikaika.No ke kaua ʻana i ke ahi, hoʻohana i ka huʻa, CO2, kemika maloʻo.Ke hoʻomehana ʻia a palaho, hoʻopuka ʻo ia i nā uahi ʻawaʻawa o NOx.
Carcinogenicity	Ua hōʻike ʻia nā ʻiole i ka vapor N-Methyl-2-pyrrolidone ma 0, 0.04, a i ʻole 0.4 mg / L no 6 h / lā, 5 lā / pule no nā makahiki 2. ʻO nā ʻiole kāne ma 0.4 mg / L ua hōʻike iki i ke kaumaha o ke kino.ʻAʻole i ʻike ʻia nā hopena ʻawaʻawa a i ʻole nā hopena carcinogenic pōkole i ke ola i nā ʻiole i hōʻike ʻia no 2 mau makahiki i ka 0.04 a i ʻole 0.4mg/L o N-Methyl-2-pyrrolidone.Ma ke ala dermal, ua loaʻa i kahi hui o 32 mau ʻiole ka hoʻomaka ʻana o 25mg o N-Methyl-2-pyrrolidone ma hope o 2 mau pule ma hope o nā noi o ka mea hoʻolaha tumo phorbol myristate acetate, ʻekolu manawa i ka pule, no nā pule he 25.ʻO Dimethylcarbamoyl chloride a me dimethylbenzanthracene i lawelawe ma ke ʻano he mana maikaʻi.ʻOiai ʻo ka hui N-Methyl-2-pyrrolidone he ʻekolu maʻi ʻili, ʻaʻole i manaʻo nui ʻia kēia pane ke hoʻohālikelike ʻia me nā mana maikaʻi.
Alanui metabolic	Hāʻawi ʻia nā ʻiole i kapa ʻia ʻo N-methyl-2-pyrrolidinone (NMP), a ʻo ke ala nui o ka excretion e nā ʻiole ma o ka mimi.ʻO ka metabolite koʻikoʻi, e hōʻike ana i ka 70-75% o ka mea i hoʻoponopono ʻia, he 4-(methylamino)butenoic acid.Hiki ke hana ʻia kēia huahana paʻa ʻole mai ka hoʻopau ʻia ʻana o ka wai, a hiki ke loaʻa kahi pūʻulu hydroxyl ma ka metabolite ma mua o ka hydrolysis acid.
ʻO ka metabolism	Hāʻawi ʻia nā ʻiole kāne Sprague-Dawley i hoʻokahi intraperitoneal injection (45 mg/kg) o ka radiolabeled 1 -methyl-2-pyrrolidone.Ua nānā ʻia nā pae plasma o ka radioactivity a me ka pūhui no ʻeono mau hola a ua hōʻike ʻia nā hopena i kahi māhele hoʻohele wikiwiki i ukali ʻia e kahi manawa hoʻopau lohi.ʻO ka nui o ka lepili i hoʻokuʻu ʻia i loko o ka mimi i loko o 12 mau hola a helu ʻia ma kahi o 75% o ka maʻa i hōʻailona ʻia.He iwakāluakūmāhā mau hola ma hope o ke kau ʻana, ʻo ka cumulative excretion (urine) ma kahi o 80% o ka nui.Ua hoʻohana ʻia nā ʻano mea ʻelua i hoʻopaʻa inoa ʻia me ka methyl, a me [¹⁴C]- a me [3H] -ka inoa l-methyl-2-pyrrolidone.Ua mālama ʻia nā lākiō mua i hoʻopaʻa ʻia i loko o nā hola 6 mua ma hope o ka dosage.Ma hope o 6 mau hola, ua ʻike ʻia ke ake a me nā ʻōpū i ka nui o ka hōʻiliʻili ʻana o ka radioactivity, ma kahi o 2-4% o ka nui.Ua ʻike ʻia ka radioactivity liʻiliʻi i loko o ka bile a i ʻole ea hanu.Hōʻike ka chromatography wai hana kiʻekiʻe o ka mimi i ka loaʻa ʻana o hoʻokahi metabolites nui a ʻelua mau metabolite liʻiliʻi.ʻO ka metabolite nui (70-75% o ka hoʻopaʻa radioactive i lawelawe ʻia) ua nānā ʻia e ka chromatography-mass spectrometry a me ka chromatography-mass spectrometry a ua manaʻo ʻia he 3- a i ʻole 5-hydroxy-l-methyl-2-pyrrolidone (Wells). 1987).
Na Hana Hoomaemae	E hoʻomaloʻo i ka pyrrolidone ma ka wehe ʻana i ka wai e like me ka *benzene azeotrope.E hoʻoheheʻe hapa ma 10 torr ma o kahi kolamu 100-cm i hoʻopiha ʻia me nā helices aniani.[Adelman J Org Chem 29 1837 1964, McElvain & Vozza J Am Chem Soc 71 896 1949.] Aia ka hydrochloride m 86-88o (mai EtOH a i ʻole Me2CO/EtOH) [Reppe et al.Justus Liebigs Ann Chem 596 1 1955].[Beilstein 21 II 213, 21 III/IV 3145, 21/6 V 321.]