CAS: 25915-57-5; (2S,3R,4S,5S,6R)-2-((2S,3S,4S,5R)-3,4-Dihydroxy-2,5-Bis(Hydroxymethyl)Tetrahydrofuran-2-yl)-4,5-Dihydroxy-6-(Hydroxymethyl)Tetrahydro-2H-Pyran-2,3-Diyl Didodecanoate

专利信息

专利号:WO-2022223696-A1
优先权日:2021-04-22
标 题 :Process for synthesis of n-alkyl-n-phenyl hydrazine
发明人：ENDRES ANDREAS; NANDURKAR NITIN SUBHASH; KATE KIRAN; SATHE SHANTANU SHRIKANT
权利人:COLORANTS INT LTD
摘要:The invention provides a process for synthesizing N-alkyl-N-phenyl hydrazine which is devoid of any organic solvents and can be carried out at lower temperatures. The process is environmental-friendly and gives better yield and high purity of the N-alkyl-N-phenyl hydrazine.

专利号:US-2025034074-A1
优先权日:2021-11-25
标题:Process for preparing a cyclic diene
发明人：JACOBY DENIS; CHAPPUIS SIMONE; KELLER FABRICE
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I) comprising the reaction of a compound of the formula (II) with a base having a boiling point superior to the boiling point of the compound of formula (I). Moreover, the compound of formula (I) and the compound of formula (II) are also part of the invention.

专利号:US-2024327367-A1
优先权日:2021-07-30
标 题 :Process for preparing a oxacylohexane or oxacylopentane derivative
发明人：DAPSENS PIERRE-YVES; VILCOQ LEA
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and, more specifically, it concerns a process for the preparation of a cycloether of formula (I) comprising the cyclisation of compound of formula (II) performed in the presence of heterogenous acidic catalyst.