635305-48-5

635305-48-5 structure

Name: 4-Methylthiophene-2-boronic acid, pinacol ester
Chemical Name: 4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane
CAS Number: 635305-48-5
Molecular Formula: C₁₁H₁₇BO₂S
Molecular Weight: 224.12700
Create Date: 2018-07-15 17:39:54
Modify Date: 2026-07-13 09:13:23

Name	4,4,5,5-Tetramethyl-2-(4-methylthiophen-2-yl)-1,3,2-dioxaborolane
Synonyms	4,4,5,5-Tetramethyl-2-(4-methyl-2-thienyl)-1,3,2-dioxaborolane 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(4-methyl-2-thienyl) 4-Methylthiophene-2-boronic acid pinacol ester 4-Methylthiophen-2-ylboronic acid pinacol ester 2-(4-Methyl-2-thienyl)-4,4,5,5-tetraMethyl-1,3,2-dioxaborolane, 4-Methyl-2-thienylboronic acid pinacol ester 2-(4-Methyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-Methyl-2-thienylboronic acid pinacol ester, 4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene 3-hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-methylthiophen-2-yl)boronate Methylthiophene-2-boronic acid pinacol ester 4-Methyl-2-thiopheneboronic Acid Pinacol Ester 4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene

HS Code	2934999090

76-09-5

162607-15-0

~54%

635305-48-5

Literature: NOVO NORDISK A/S Patent: WO2003/105860 A1, 2003 ; Location in patent: Page 35 ; WO 03/105860 A1

53119-60-1

61676-62-8

~91%

635305-48-5

Literature: Melucci; Barbarella; Zambianchi; Di Pietro; Bongini Journal of Organic Chemistry, 2004 , vol. 69, # 14 p. 4821 - 4828

616-44-4

25015-63-8

885692-91-1

635305-48-5

Literature: Tetrahedron, , vol. 64, # 26 p. 6103 - 6114

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%