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Application filed by Lonza AgfiledCriticalLonza Ag
Publication of IN171051BpublicationCriticalpatent/IN171051B/en
C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
C07C45/87—Preparation of ketenes or dimeric ketenes
C07C45/90—Separation; Purification; Stabilisation; Use of additives
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Chemical & Material Sciences
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Organic Chemistry
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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