CAS: 28281-49-4; 3,4-Methylenedioxypropiophenone

上下游产品

3,4-亚甲二氧苯乙酮 1-(Benzo[d][1,3]Dioxol-6-yl)Ethanone 3162-29-6
二氢黄樟素 Dihydrosafrole 94-58-6
胡椒醛 Piperonal 120-57-0
3,4-二羟基苯丙酮 3',4'-Dihydroxypropiophenone 7451-98-1
1-(3,4-亚甲二氧基苯基)-1-丙醇 1-Piperonyl-1-Propanol 6890-30-8
胡椒酸 Piperonylic Acid 94-53-1
2-Bromo-1-<3,4-(Methylenedioxy)Phenyl>-1-Propanol 57961-85-0
1'-羟基黄樟素 1'-Hydroxysafrole 5208-87-7 Piperonylonitrile 04/09/4421 Isosafrole 120-58-1

5-(1,2-Dibromo-Propyl)-Benzo[1,3]Dioxole置于sodium Methylate体系中,化学反应生成3,4-(亚甲基二氧)苯丙酮
参考文献:Hoering,Chemische Berichte,1905,Vol. 38,P. 3469
标题:Hoering,Chemische Berichte,1905,Vol. 38,P. 3469

专利信息

专利号:US-6342613-B1
优先权日:1998-12-30
标题 :Process for the synthesis of 5-(α-hydroxyalkyl) benzo[1,3]dioxols
发明人：BORZATTA VALERIO; BRANCALEONI DARIO
权利人:ENDURA SPA
摘要:The present invention regards a three-step process for the synthesis of 5-(alpha-hydroxyalkyl) benzo[1,3]dioxols. The process comprises: (i) the reaction of pyrocatechin (1,2-dihydroxybenzene) with a dihalo or di-alkoxyalkane, with the formation of a benzo[1,3]dioxol derivative; (ii) 5-selective catalytic acylation of the benzo[1,3]dioxol, with formation of a 5-alkanoylbenzo[1,3]dioxol and its subsequent (iii) reduction to 5-(alpha-hydroxyalkyl) benzo[1,3]dioxol. Also described are new benzodioxols obtainable using the above-mentioned process. The process of the invention is industrially simple and has low environmental impact; it allows to obtain in high yields derivatives of considerable interest, in particular for the perfumery industry, and in the sector of insecticides.

专利号:US-2024374558-A1
优先权日:2022-10-20
标题 :Preparation of phenethylamines and cathinones and stereoisomers thereof and precursors thereof
发明人：SCHMIDT JENNIFER LOUISE; STOGNIEW MARTIN
权利人:TRANSCEND THERAPEUTICS INC
摘要:In one aspect, the present disclosure provides a method of synthesis for methylone HCl, with 3,4-methylenedioxypropiophenone (MDP) as the starting material. In another aspect, the present disclosure provides stereoisomers of methylone. In another aspect, the present disclosure provides phenethylamines or cathinones covalently bound to a chemical moiety in a prodrug form. The presently described prodrug form allows slow/sustained/controlled delivery of the parent phenethylamines or cathinones into the blood system in a manner that would increase the duration of therapeutic efficacy.

专利号:WO-0040575-A1
优先权日:1998-12-30
标题:PROCESS FOR THE SYNTHESIS OF 5-(α -HYDROXYALKYL) BENZO[1, 3]DIOXOLS

专利号:AU-1037700-A
优先权日:1998-12-30
标题:Process for the synthesis of 5-(alpha -hydroxyalkyl) benzo(1, 3)dioxols

专利号:IT-MI982857-A1
优先权日:1998-12-30
标 题 :PROCESS FOR THE SYNTHESIS OF 5- (ALPHA-HYDROXIALKYL) BENZO 1,3 DIOXINS.

专利号:KR-20010083955-A
优先权日:1998-12-30
标 题:PROCESS FOR THE SYNTHESIS OF 5-(α-HYDROXYALKYL) BENZO[1,3]DIOXOLS