142253-57-4

142253-57-4 structure

Name: tert-butyl 3-[(methanesulfonyloxy)methyl]azetidine-1-carboxylate
Chemical Name: tert-butyl 3-(methylsulfonyloxymethyl)azetidine-1-carboxylate
CAS Number: 142253-57-4
Molecular Formula: C₁₀H₁₉NO₅S
Molecular Weight: 265.32700
Create Date: 2018-12-28 19:32:54
Modify Date: 2025-08-26 18:58:51

Name	tert-butyl 3-(methylsulfonyloxymethyl)azetidine-1-carboxylate
Synonyms	3-[[(methylsulfonyl)oxy]methyl]-1-azetidinecarboxylic acid tert-butyl ester tert-Butyl 3-{[(methylsulfonyl)oxy]methyl}azetidine-1-carboxylate tert-butyl 3-(methanesulfonyloxymethyl)azetidine-1-carboxylate 3-methanesulfonyloxymethyl-azetidine-1-carboxylic acid tert-butyl ester

Density	1.238±0.06 g/cm3(Predicted)
Boiling Point	390.0±15.0 °C(Predicted)
Molecular Formula	C₁₀H₁₉NO₅S
Molecular Weight	265.32700
Exact Mass	265.09800
PSA	81.29000
LogP	1.84820

HS Code	2933990090

124-63-0

142253-56-3

~99%

142253-57-4

Literature: PFIZER INC. Patent: WO2006/21881 A2, 2006 ; Location in patent: Page/Page column 61 ; WO 2006/021881 A2

162698-41-1

24424-99-5

~84%

142253-57-4

Literature: Chambers, Mark Stuart; Curtis, Neil Roy; MacLeod, Angus Murray; Maxey, Robert James; Szekeres, Helen Jane Patent: US2005/101586 A1, 2005 ; Location in patent: Page/Page column 11 ;

Precursor 4
124-63-0 142253-56-3 162698-41-1 24424-99-5
DownStream 1
859027-41-1

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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