氨基乙醛缩二甲醇 、 三乙胺 、 3-溴丙炔 在
N-(2,2-二甲氧基乙基)-2-丙炔-1-胺 作用下,
以
苯 为溶剂,
25.0 ℃
、17.77 kPa
条件下,
反应 1.0h,
以to yield the desired product N-propargyl-N-(2,2-dimethoxyethyl)amine having a boiling point of 70° C. at 1 mm of Hg pressure的产率得到N-(2,2-二甲氧基乙基)-2-丙炔-1-胺
PROCESS FOR PREPARING CHIRAL DIPEPTIDYL PEPTIDASE-IV INHIBITORS
申请人:Merck Sharp & Dohme Corp.
公开号:US20170158701A1
公开(公告)日:2017-06-08
A process for preparing a compound of structural Formula Ia: comprising Boc deprotection with TFA of, reductive amination of:
US4113464A
申请人:——
公开号:US4113464A
公开(公告)日:1978-09-12
US9862725B2
申请人:——
公开号:US9862725B2
公开(公告)日:2018-01-09
[EN] PROCESS FOR PREPARING CHIRAL DIPEPTIDYL PEPTIDASE-IV INHIBITORS<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INHIBITEURS CHIRAUX DE DIPEPTIDYL PEPTIDASE-IV
申请人:MERCK SHARP & DOHME
公开号:WO2016014324A1
公开(公告)日:2016-01-28
A process for preparing a compound of structural Formula Ia: comprising Boc deprotection with TFA of, reductive amination of:.
制备结构式Ia化合物的过程:包括使用三氟乙酸对Boc进行去保护,还有还原胺化反应。
Dioxolane substituted amides
申请人:Velsicol Chemical Company
公开号:US04113464A1
公开(公告)日:1978-09-12
This invention discloses new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen and alkyl; X is halogen; R.sup.2 is selected from the group consisting of alkyl, alkenyl and alkynyl; n is the integer 1 or 2; and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each selected from the group consisting of hydrogen and alkyl. Further disclosed are herbicidal compositions utilizing the aforedescribed compounds.
这项发明揭示了新的化合物,其化学式为 ##STR1## 其中 R.sup.1 选自氢和烷基; X 为卤素; R.sup.2 选自烷基、烯基和炔基; n 为整数1或2; 而 R.sup.3、R.sup.4、R.sup.5 和 R.sup.6 各自选自氢和烷基。进一步披露了利用上述化合物的除草剂组合物。