摘要:
The compound 6-[D(-)alpha-amino-phenylacetamido]penicillanic acid and salts or hydrates thereof wherein the amino group is substituted with a 5 to 6-membered heterocyclic ring, useful as antibacterial therapeutic agents in the treatment of infectious diseases caused by Gram-positive and Gram-negative bacteria and which are stable in aqueous solutions.
摘要:
The present invention is a physiologically active, substantially non-immunogenic water soluble polyethylene glycol protein conjugate having the same utility as the protein which forms the conjugate, without having the same properties of producing an immunogenic response possessed by the protein which forms this conjugate.
摘要:
The present invention is a polymer which may be used to produce a physiologically active, substantially non-immunogenic water soluble polyethylene glycol protein conjugate having the same utility as the protein which forms the conjugate, without having the same properties of producing an immunogenic response possessed by the protein which forms this conjugate.
摘要:
New optically active intermediates and processes thereto are provided for use in synthesizing therapeutically active prostaglandins of the formula: ##STR1## wherein R.sup.1 is hydrogen or lower alkyl; from a compound of the formula: ##STR2## wherein R.sup.1 is as above and R.sup.2 is hydrogen or a carboxy blocking group convertible to an acid by hydrolysis.
摘要:
A process for producing optically active 16-substituted prostaglandins and new 16-substituted prostaglandins produced thereby which are useful as cardiovascular agents and as agents for inducing labor in pregnant females and for the termination of pregnancy.
摘要:
Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-cyclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl prostaglandins from dihydroresorcyclic acid.
摘要:
The present invention relates to a new synthesis for the preparation of 5-(substituted benzyl)-2,4-diamino-pyrimidines, including new pyrimidine derivatives. More particularly, a new synthesis of ormetoprin, diaveridine and related compounds, including novel derivatives, is disclosed. The synthesis involves the condensation of a substituted benzene and an acrylonitrile derivative to directly give enol ether intermediates, which upon subsequent reaction by known techniques with guanidine, provides the desired 5-(substituted benzyl)-2,4-diamino-pyrimidines, including novel compounds. The pyrimidine end products are useful as potentiators of sulfonamides and as antibacterial agents.
摘要:
Dienylphosphates of the formula ##STR1## wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower akyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity.
摘要:
11-Substituted prostaglandins E.sub.1, E.sub.2 and F.sub.2.alpha. useful as cardiovascular agents and as agents for inducing labor in pregnant females and for the termination of pregnancy and a process for preparing these prostaglandins.