CAS: 844891-04-9|1,3, 5- trimethyl {{4} h-pyazole {} boronic acid pipacol ester

Cov khoom lag luam

Cov tshuaj nrog tus lej cas 844891 - 04 - 9 yog 1,3, {h-} h-} bimonic {}} } Vimethyl -4- (4,4,5, {14 {} tetramethyl {}} dioxaborolan {}} yl) pyrkole. Nws cov mis mis yog c₁₂h₂₁bn₂o₂, thiab nws cov molecular hnyav yog 236.12.

1,3, {5- trimethyl {{h-} h-} h-} h-} boronic did Nws qhov ntom yog 1. {0 4 {}}}}}}} {2. 0 Degree, Flash taw tes yog 156.8 Degree, Vapor siab yog 0.00229 mmHg ntawm 25 degree, thiab acidity coefficient yog 3.13 ± 0.10.

Cov ntaub ntawv yooj yim

Cov Ntaub Ntawv Kev Nyab Xeeb

Cov Khoom Siv Khoom Uas Tsim Nyog: XI (irritant), xn (ua phem)
Cov ntsiab lus kev pheej hmoo: R36 / 37/38 (irritant rau lub qhov muag, ua pa thiab tawv nqaij), R22 (muaj teeb meem yog nqos)
Cov ntsiab lus kev nyab xeeb: S26 (yog tias muaj kev tiv thaiv khaub ncaws, hnab looj tes kom ntau), S36 / 37 (S36 (hnav cov khaub ncaws tiv thaiv uas tsim nyog), S22 (tsis txhob nqus plua plav)
WGK Lub Tebchaws Yelemees: 3
Ceeb Toom Tsis Txaus Siab: Ua rau muaj kev phom sij

Kev siv

1,3, {5- trimethyl {{h-} h-} h-} h-} boronic synthesis los txua cov organic qauv molecular.
Nws yog ib qho tseem ceeb reugent rau coupling kev tawm ntawm CC Bonds thiab CN Bonds, thiab muaj cov ntawv thov tseem ceeb hauv cov tshuaj sththesis, cov khoom siv kev tshawb fawb thiab lwm thaj chaw.

Tuam txhab tau

Gnee Chem yog kev nkag rau cov kev tshawb fawb, kev txhim kho, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb cov khoom tau dav exported rau ntau lub tebchaws, xws li Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov qhua tuaj noj mov nrawm. Peb cia siab tias tsim kev sib koom tes ntev thiab muaj kev sib koom tes sib koom tes nrog cov phooj ywg ntxiv yav tom ntej, thiab muab cov khoom lag luam thiab cov kev pabcuam zoo tshaj rau peb cov neeg siv khoom.

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