英文别名547-65-9 | alpha-Methylene-gamma-butyrolactone | Tulipalin A | 2-methylenebutyrolactone | 3-Methylenedihydro-2(3H)-furanone | Tulipane | 3-methylideneoxolan-2-one | alpha-Methylene butyrolactone | 3-methylenedihydrofuran-2(3H)-one | 2(3H)-Furanone, dihydro-3-methylene- | Dih ...
NEW MATERIAL:An alpha-methylene-gamma-butyrolactone derivative expressed by formula I [R is lower alkyl, cycloalkyl, naphthyl, phenyl phenyl lower alkyl, formula II (m is an integer 1-3), formula III (n is 0,1 or 2), the benzene ring on the phenyl or phenyl lower alkyl, may be ...
ChemInform Abstract: SYNTHESIS OF ALPHA‐METHYLENE‐GAMMA‐BUTYROLACTONES BY REARRANGEMENTS OF FUNCTIONALLY SUBSTITUTED CYCLOPROPANESfuran derivativesrearrangementsbenzofuran derivativesBehandlung der Cyclopropan-esteralkohole (I) mit Zn(II)-bromid/HBr führt zu den Lactonen (II).doi:10.1002/chin.197350296...
alpha-Methylene-gamma-butyrolactone,stabilized,95%,95% α-亚甲基-γ-丁内酯 ;α-Methylene-γ-butyrolactone 别名:α-亚甲基-γ-丁内酯3-Methylenedihydro-2(3H)-furanone ;α-Methylene-γ-butyrolactoneTulipane 产品编号:414260050 ; CAS:547-65-9; 分子式:C5H6O2 ; MDL:MFCD00005407 ; 品牌: ...
Synthesis of Fused-Ring alpha-Methylene-gamma-butyrolactonesMarshall, James ACohen, Noal
NEW MATERIAL:An alpha-methylene-gamma-butyrolactone derivative expressed by formula I [R is lower alkyl, cycloalkyl, naphthyl, phenyl phenyl lower alkyl, formula II (m is an integer 1-3), formula III (n is 0,1 or 2), the benzene ring on the phenyl or phenyl lower alkyl, may be ...
PROBLEM TO BE SOLVED: To provide a method for easily preparing a high purity α-methylene-γ-butyrolactone in a high yield and at a low cost from an inexpensive starting material using a general purpose reactor.NOGAMI HIROYUKI野上 弘之
ALPHA-METHYLENE-GAMMA-BUTYROLACTONE DERIVATIVE CONTAINING SULFURPURPOSE: To obtain the subject new compound excellent in transparency at a high refractive index and contact properties with metals, having a low shrink age, capable of suppressing the lowering of softening temperatures, and useful as a ...
PROBLEM TO BE SOLVED: To provide a method for producing α-methylene-γ-butyrolactones from tuliposides present in a plant in various forms using enzymatic reaction.KATO YASUO加藤 康夫NAKAJIMA NORIYUKI中島 範行OGITA SHINJIRO荻田 信二郎SATO YUKIO...
;CONSTITUTION: An α-methylene-γ-butyrolactone derivative containing sulfur of the formula (R1, R2 are each independently H, a halogen, phenyl, phenylthio, a 1-12C alkyl or a 1-12C alkoxyl). For example, 2-methylene-4,4-bis(phenylthiomethyl)-γ-butyrolactone. The compound of the formula...